2Cr13用什么方法淬火上硬度?

谢谢
2025-03-04 06:45:57
推荐回答(5个)
回答1:

【2Cr13淬火硬度】一般2Cr13的淬火温度在980~1050℃,取980℃加热油淬时硬度要明显低于1050℃加热油淬,980℃油淬后硬度为45~50HRC,1050℃油淬后硬度要高2HRC。

2Cr13属马氏体不锈钢有磁性,硬度好,焊接要预热的。和Q235焊接用奥氏体不锈钢焊条不用预热,焊接,采用较小的电流。2Cr13焊接焊材可以选用:

抗大气腐蚀选G202,G207,需预热150-300度,焊后回火700-730度;

2.耐有机酸并耐热选:G211,需预热150-300度;

3.良好塑性:A102,A107,A202,A207,A302,A307,补焊预热,厚大件预热。

扩展资料:

概述

特性

2Cr13属马氏体不锈钢,有磁性,硬度好,焊接要预热的。和Q235焊接用奥氏体不锈钢焊条不用预热,比如A302.A307都行。

焊接时控制焊缝稀释率,不摆动焊接,采用较小的电流。

2Cr13焊接焊材可以选用:

1、抗大气腐蚀选G202,G207,需预热150-300度,焊后回火700-730度;

2、耐有机酸并耐热选:G211,需预热150-300度;

3、良好塑性:A102,A107,A202,A207,A302,A307,补焊预热,厚大件预热。

表示方法

根据GB/T《钢铁产品牌号表示方法》的规定,采用汉语拼音字母、化学元素符号及阿拉伯数字组合的方式表示。 含量:一般在牌号的头部用一位阿拉伯数字表示平均碳含量(以千分之几计);平均碳含量小于千分之一的用“0”表示;碳含量不大于0.03%的用“00”表示。

合金元素含量:平均合金元素含量小于1.50%时,牌号中仅标明元素,一般不标明含量;平均合金元素含量为1.5%-2.49%、2.50%-3.49%.....12.50%-13.49%,....时,相应地标明2、3.....13...。专门用途的不锈钢,在牌号头部加上代表该钢用途的代号。举例:0Cr18Ni9、Y1Cr17(易切钢)。

参考资料来源:百度百科-2cr13

回答2:

这个是马氏体不锈钢,应该能淬上火的,一般用真空炉淬火,这个是典型是医疗器械用钢

回答3:

【2Cr13淬火硬度】一般2Cr13的淬火温度在980~1050℃,取980℃加热油淬时硬度要明显低于1050℃加热油淬,980℃油淬后硬度为45~50HRC,1050℃油淬后硬度要高2HRC。但1050℃淬火后得到的组织晶粒较粗,脆性大。建议使用1000℃加热淬火可以得到较好的组织和硬度。
【2Cr13】属马氏体不锈钢,有磁性,硬度好,焊接要预热。参考国家标准:GB/T 1220-2007《不锈钢棒》;对应日本牌号:SUS420JI;对应德国牌号:X20Cr13/1.4021;对应美国牌号:420。
【淬火】热处理方式的一种,主要是指将钢材从高温奥氏体区急速冷却下来以获得某一特定低温组织,例如马氏体、贝氏体等。一般多利用水、油或低温盐浴来做此冷却,但有时亦可利用风扇加速空气冷却来达到相同目的。 其中采用油来冷却的就叫油淬.

回答4:

加热到1020-1030℃以上进行奥氏体化就可以淬火了

回答5:

920-980C°油冷。(摘自‘实用五金手册’5.80)。

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