轴承钢主要有什么元素?_价格多少一公斤
轴承钢主要分为6种:1、常用轴承钢。2、渗碳轴承钢。3、中碳轴承钢。4、高温轴承钢。5、耐腐蚀轴承钢。6、耐低温轴承钢。各轴承钢含有的元素不同,主要有碳、铬、硅、锰、钼、镍、钒、钨、钛等等,还含有一部分硫、磷等杂质。现将各轴承钢的化学成分介绍如下:

1、国产高碳铬钢化学成分YB(T)1-80(%)
钢号.........碳.......铬.........硅........锰
GCr91.00-1.100.90-1.200.15-0.350.25-0.45
GCr15/0.95-1.051.40-1.650.15-0.35/0.25-0.45
GCr9SiMn1.00-1.100.90-1.200.45-0.75/0.95-1.25
GCr15SiMn0.95-1.051.40-1.650.45-0.75/0.95-1.25
续上表
钢号.....(磷、..硫.镍+铜.钼)
.................(不大于)
GCr90.0250.0250.5/0.08
GCr15/0.025/0.0250.5/0.08
GCr9SiMn0.0250.0250.50.08
GCr15SiMn0.0250.0250.50.08
2、国产渗碳轴承钢的化学成分(%)
钢号碳/铬/硅锰钼
150.12-0.19≤0.25/0.17-0.370.35-0.65/无
15Mn0.12-0.19≤0.25/0.17-0.370.70-1.00/无
200.17-0.24≤0.25/0.17-0.370.35-0.65/无
20Mn2/0.17-0.24无0.17-0.371.40-1.80/无
12Cr2Ni4A/0.10-0.171.25-1.750.17-0.370.30-0.60/无
20Cr0.17-0.230.80-1.100.17-0.370.50-0.80/无
20CrMo0.17-0.24/0.80-1.10/0.17-0.370.40-0.70/无
20CrMoTi0.17-0.231.00-1.300.17-0.370.80-1.10/无
20Cr2Ni4A/0.17-0.231.25-1.75/0.17-0.370.30-0.60/无
20NiMo0.17-0.25<0.300.17-0.370.40-0.700.20-0.30
20Cr2Mn2MoA0.17-0.231.70-2.000.17-0.371.30-1.600.20-0.30
20Cr2NiMoA0.15-0.220.40-0.600.17-0.370.40-0.700.20-0.30
18CrMnMo0.16-0.240.90-1.200.17-0.37/0.90-1.200.20-0.30
续上表
钢号镍(磷/硫/铜)
..........................(不大于)
15/≤0.25/0.04/0.040.3
15Mn/≤0.25/0.04/0.040.25
20/≤0.250.04/0.040.25
20Mn2/无0.0350.0350.3
12Cr2Ni4A3.25-3.75/0.0350.0350.3
20Cr/≤0.300.0350.0350.3
20CrMo/无/0.0350.0350.3
20CrMoTi/≤0.30/0.035/0.035/0.3
20Cr2Ni4A/3.25-3.750.0350.0350.3
20NiMo1.50-1.900.025/0.0250.2
20Cr2Mn2MoA/≤0.30/0.0250.0250.25
20Cr2NiMoA1.60-2.000.0350.0250.2
18CrMnMo/≤0.4/0.0250.0250.2
3、国产中碳轴承钢的化学成分(%)
钢号/碳/铬硅/锰/钼
37CrA/0.32-0.420.80-1.100.15-0.350.40-0.70无
40Cr0.34-0.440.80-1.100.17-0.370.50-0.80无
50CrNi0.47-0.540.45-0.750.17-0.37/0.50-0.80无
65Mn0.62-0.70/≤0.250.17-0.370.90-1.20无
55SIMoV0.53-0.60/≤0.300.80-1.100.30-0.600.40-0.60
50CrVA0.46-0.540.80-1.100.17-0.37/0.50-0.80无
5CrMnMo0.50-0.600.60-0.900.25-0.601.20-1.600.15-0.30
G8Cr150.75-0.801.30-1.650.15-0.350.20-0.40无
续上表
钢号镍钒(磷硫铜)
(不大于)
37CrA≤0.250.0350.030.25
40Cr0.0350.0350.3
50CrNi1.00-1.400.0350.0350.3
65Mn/≤0.25无0.040.04/0.25
55SIMoV≤0.30/0.15-0.25/0.025/0.015/无
50CrVA/≤0.35/0.10-0.20/0.035/0.03/0.25
5CrMnMo≤0.25无0.030.03/0.3
G8Cr15/≤0.30无0.025/0.0250.25
4、国产高温轴承钢的化学成分(%)
钢号碳/硅/锰铬钼钨
W18Cr4V/0.70-0.80<0.40<0.40/3.80-4.40/<0.30/17.5-19.0
W2Cr4Mo8V0.75-0.85/0.20-0.40/0.20-0.40/3.75-4.50/7.75-9.25/1.15-1.85
W6Cr4Mo5V20.80-0.90/≤0.40≤0.40/无/无5.50-6.75
Cr4Mo4V/0.75-0.85/≤0.35≤0.353.75-4.254.0-4.5无
GCrSiWV/0.95-1.050.70-0.90/0.40-0.60/1.30-1.60/无/1.10-1.40
Cr15Mo4/0.90-1.00/≤1.00≤1.0014-163.80-4.30无
续上表
钢号..........钒...(镍..铜..硫...磷)
............................(不大于)
W18Cr4V1.00-1.40/无/无0.030.03
W2Cr4Mo8V0.90-1.30/无/无0.030.03
W6Cr4Mo5V2/1.75-2.20/无无0.03/0.03
Cr4Mo4V0.90-1.100.20.20.020.027
GCrSiWV0.2-0.35/0.30.30.020.027
Cr15Mo4≤0.20/0.3/无0.020.027
5、国产耐腐蚀轴承钢的化学成分(%)
钢号.......碳..(硅...锰)铬.........钼
..................(不大于)
9Cr180.8-1.00.80.817-19无
9Cr18Mo1.0-1.100.50.816-180.75
9Cr18MoV0.85-0.950.80.817-191.00-1.30
1Cr17Ni20.11-0.17/0.80.8/16-18/无
1Cr17Ni9≤0.121.02.017-19/无
0Cr18Ni9Ti/≤0.081.02.017-19/无
1Cr18Ni9Ti≤0.121.02.017-19/无
续上表
钢号........钒.......镍....钛.......硫....磷
9Cr18无无/无/0.03/0.035
9Cr18Mo无无/无/0.03/0.03
9Cr18MoV0.07-0.12无/无0.03/0.035
1Cr17Ni2无1.5-2.5无0.03/0.035
1Cr17Ni9无8-11无/0.03/0.035
0Cr18Ni9Ti无/8-11/5XC%-0.70.030.035
1Cr18Ni9Ti无/8-11/无/0.03/0.035
6、耐低温轴承钢一般用SUS440C(日本牌号,相对于中国牌号为9Cr18Mo,在耐腐蚀轴承钢中有化学成分)。一般将马氏体不锈钢进行低温深冷处理,以保证其组织不发生变化。
废旧轴承的用途:
1、对于大型和特大型废旧轴承价格多少一公斤,频于失效或已失效而零件尚无重损伤的贵重轴承可以进行修复。
2、某些确实难以购到的轴承品种,失效后可以进行修复。
3、对于损伤较重的轴承只有回炉熔炼。
由于百度不能使用电子表格,这些数据不是太好看,你可以把你的给我,我给你发一份电子表格。

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