<*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">弹簧钢是指由于在淬火和回火状态下的弹性,而专门用于制造弹簧和弹性元件的钢。钢的弹性取决于其弹性变形的能力,即在规定的范围之内,弹性变形的能力使其承受一定的载荷,在载荷去除之后不出现*变形。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">弹簧钢应具有优良的综合性能,如力学性能*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">特别是弹性****限、强度****限、屈强比*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、*弹减性能*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">即*弹性减退性能,又称*松弛性能*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、疲劳性能、淬透性、物理化学性能*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">耐热、耐低温、****、耐腐蚀等*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">。为了满足上述性能要求,弹簧钢具有优良的冶金质量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">高的纯洁度和均匀性*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、良好的表面质量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">严格控制表面缺陷和脱碳*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、*的外形和尺寸。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">根据《钢分类》标准,按照基本性能及使用特性一,弹簧钢属于机械结构用钢;按照质量等级,属于特殊质量钢,即在生产过程中需要特别严格控制质量和性能的钢。按照我国习惯,弹簧钢属于特殊钢*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">二*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">分类*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> .*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">碳素弹簧钢*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">碳素弹簧钢的碳含量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">质量分数*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">一般在*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">0.62%~0.90%*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">。按照其锰含量又分为一般锰含量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">质量分数*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">) (0.50%~0.80%)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">如*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">65*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">70*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">、*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">85*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">和较高锰含量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">(*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">质量分数*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">) (0.90~1.20%)*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">,如*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">65Mn*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">两类。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> 2.*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">合金弹簧钢*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">合金弹簧钢是在碳素钢的基础上,通过适当加入一种或几种合金元素来****钢的力学性能、淬透性和其他性能,以满足制造各种弹簧所需性能的钢。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">合金弹簧钢的基本组成系列有,硅锰弹簧钢、硅铬弹簧钢、铬锰弹簧钢、铬钒弹簧钢、钨铬钒弹簧钢等。在这些系列的基础上,有一些牌号为了****其某些方面的性能而加入了钼、钒或硼等合金元素。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">此外,还从其他钢类,如****碳素结构钢、碳素工具钢、高速工具钢、不锈钢,选择一些牌号作为弹簧用钢。*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">弹簧钢概述*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">弹簧在冲击、振动或长期交应力下使用,所以要求弹簧钢有高的*拉强度、弹性****限、高的疲劳强度。在工艺上要求弹簧钢有一定的淬透性、不易脱碳、表面质量好等*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;"> *n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">碳素弹簧钢即含碳量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">WC*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">在*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">0.6%-0.9%*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">范围内的****碳素结构钢。合金弹簧钢主要是硅锰系钢种,它们的含碳量稍低,主要靠增加硅含量*n><*n lang="EN-US" style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">Wsi*n><*n style="color: rgb(51, 51, 51); font-family: 宋体; font-size: 12pt; text-indent: 2em; text-align: center;">****性能;另外还有硌、钨、钒的合金弹簧钢。近年来,结合我国资源,并根据汽车、拖拉机设计新技术的要求,研制出在硅锰钢基础上加入硼、铌、钼等元素的新钢种,延长了弹簧的使用寿命,****了弹簧质量*n>
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