硬度CSiMnPSCrNiMoVHRC(HBS)1J422E4303GB/T5117-95≤0
040 ≤0
035/2J502E5003GB/T5117-95≤0
040 ≤0
035/3J507E5015GB/T5117-95≤0
040 ≤0
08/4J507FeNiE5018-GGB/T5117-95≤0
0/5J506E5016GB/T5117-95≤0
040 ≤0
035/6J507Mo E5015G GB/T5117-95≤0
040 ≤0
20/硬度CSiMnPSCrMoVHRC(HBS)7R302E5503-B2GB/T5117-95≤0
035 ≤0
65/8R307E5515-B2GB/T5117-950
035 ≤0
65/9R310E5500-B2-VGB/T5117-95≤0
035 ≤0
65/10R317E5515-B2-VGB/T5117-95≤0
035 ≤0
35/11R312E5503-B2-VGB/T5117-95≤0
035 ≤0
35/12R402E6003-B3