30W4Cr2VA钢板-进口耐腐蚀弹簧钢板 弹簧钢线材

 30W4Cr2VA钢板-进口耐腐蚀弹簧钢板 弹簧钢线材


30W4Cr2VA钢板-进口耐腐蚀弹簧钢板 弹簧钢线材


30W4Cr2VA钢板-进口耐腐蚀弹簧钢板 弹簧钢线材

<*n style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> 
<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">鑫福鸿销售部联系人；韩微娜<*n style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"> <*n style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">*码；<*n lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman"; mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">13798713034 0769-38805090


<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 26pt; color: blue;">弹簧钢分类<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 15pt; color: rgb(85, 85, 85);"><*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;">用以<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: purple;">*<*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;">造弹簧或类似弹簧性能零件的钢类<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">。具有高的弹性****限<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">*****限<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">(<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">尤其是缺口*****限)以及一定的<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">衝<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">击韧性和塑性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">主要在<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">衝<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">击<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">震动等动载荷或长期<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">週<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">期变应力的条件下使用。所以在各种状态下工作的弹簧都要有良好的表面质量和较高的**性能。在工艺性能上<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">需经淬火<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">回火的弹簧钢<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">应具有一定的淬透性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">不易脱碳<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">过热敏*低和塑性较高<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在热状态下易於成形。<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造小尺寸弹簧用的钢丝要有均匀的硬度和一定的塑性。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">    <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">类别 弹簧钢按生<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">產<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">方法<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">可分为热轧弹簧钢和冷拉<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">(<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">轧)弹簧钢。热轧弹簧钢包括<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造螺旋弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">扭力杆用的圆钢或梯形钢和<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造板簧的扁钢<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">冷拉<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">(<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">轧)弹簧钢包括<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造小规格螺旋弹簧的冷拉钢丝和<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造发条以及各种弹*的冷轧钢带。合金弹簧钢中通常含锰<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">硅<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">铬<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑鉬﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钨<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钒和微量的硼<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">这些合金元素都可****钢的淬透性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">锰和硅固溶入铁素体中<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">可****屈服强度。铬<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钨<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钒可以****钢的弹性****限<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">屈强比和耐热性。按所含合金元素<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">常用的弹簧钢可分为：<*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 9pt; line-height: 21px; text-indent: 24px; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">  <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 15pt; color: rgb(85, 85, 85);"><*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;">碳素弹簧钢<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">价格低廉<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">用途广泛。如表面状态和热处理*相同<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">*****限并不低於合金弹簧钢。缺点是淬透性和屈服强度较低<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">截面较大的弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">油<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">淬时不能淬透<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">水淬时容易开裂。如增加含碳量<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">虽能****强度和弹性****限<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">却会降低<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">衝<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">击韧性和塑性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">尤其是降低低温韧性。中国的碳素弹簧钢有<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">65<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">70<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">75<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">85<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">四个钢号。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">    <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">单纯含锰弹簧钢 如65Mn<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">锰含量为<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">0.90<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">～1.20％。增加锰含量可****钢的淬透性和强度<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">减小脱碳倾向<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">缺点是有过热敏*和回火脆性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">且易<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">產<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">生淬火裂纹<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">所以只适於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造各种小尺寸扁弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">圆弹簧。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">   <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 15pt; color: rgb(85, 85, 85);"><*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;"> <*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;">硅锰弹簧钢<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">是主要的热轧合金弹簧钢种<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">中国有55Si2Mn<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">60Si2Mn<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">60Si2MnA<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">70Si3MnA<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">四个钢号。硅含量为1.50～2.80％<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">锰含量为<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">0.60<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">～0.90％。钢中加硅可显著****弹性****限和屈强比<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">****回火稳定性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">但易形成硅酸盐等夹杂物<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">增加脱碳敏*。钢中碳和硅的含量均较高时<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">碳易於石墨化。这类钢广泛用於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">作汽车<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">拖拉机<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">机车上的减震板簧和螺旋弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">以及要求承受较高应力的弹簧。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">     <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 15pt; color: rgb(85, 85, 85);"><*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 18pt; color: purple;">含铬弹簧钢<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在国际上很通用<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">中国有<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">50CrMn<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">和50CrVA两个钢号。50CrMn由於含有1％左右的铬和锰<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">有较高的淬透性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">脱碳倾向小<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">缺点是铬和锰均加重回火脆性的倾向<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">回火后需快冷<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">多用以<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造截面较大的和较重要的板簧和螺旋弹簧。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">50CrVA<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钢具有良好的淬透性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">加钒能细化*<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">不易过热<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">并可****钢的强度<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">韧性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">降低缺口敏*。这种钢脱碳倾向小<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">低温<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">衝<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">击韧性好<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在较高温度下工作时<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">性能也较稳定<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">主要用於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造气门弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">安全阀弹簧和在较高温度下工作的弹簧。在<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">50CrVA<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钢的基础上适当增加其他合金元素<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">能取得比上述两种弹簧钢更好的力学性能和淬透性。<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);"> <*n style="word-break: break-all; font-family: Verdana, Arial; font-size: 9pt; line-height: 21px; text-indent: 24px; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">    <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">硅含量为1.40～1.80％<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">铬含量为<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">0.90<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">～1.20％<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钒含量为<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">0.10<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">～0.20％的60Si2CrVA钢<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">具有高的淬透性和低的过热敏*<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在塑性指标相近时*拉强度和屈服强度高於硅锰弹簧钢<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">主要用於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">作承受高应力的弹簧。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">        <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">含钨弹簧钢 65Si2MnWA钢的钨含量为0.80～1.20%<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">与<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">60Si2CrVA<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钢一样<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">可用於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">作承受高载荷的和耐热<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">(<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">≦<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">350)<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹑<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">耐<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">衝<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">击的弹簧。合金含量较高的<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">30W4Cr2VA<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">钢是一种高强度耐热弹簧钢<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">有高的淬透性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">主要用於<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">*<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">造低於<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">500<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">条件下使用的控制阀簧。上述几种钢的生<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">產<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">工艺较复杂<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">价格较高。<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">
<*n style="word-break: break-all; font-size: 18pt; color: rgb(85, 85, 85);">        <*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在高温条件下工作的弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">可选用耐热钢和耐热合金<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹔<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">在腐蚀介质工作的弹簧<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">应按介质的性质<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">(<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">氧化性<*n style="word-break: break-all; font-family: 宋体; font-size: 18pt; color: rgb(85, 85, 85);">﹐<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">还原性<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">)<*n style="word-break: break-all; font-family: 楷体_GB2312; font-size: 18pt; color: rgb(85, 85, 85);">选用相应牌号的不锈钢。