常用焊材化学成分表夏海云VIP

硬度CSiMnPSCrNiMoVHRC(HBS)1J422E4303GB/T5117-95≤0.12≤0.35 0.3-0.6≤0.040 ≤0.035／2J502E5003GB/T5117-95≤0.12≤0.30 0.4-0.9≤...