Seamless Steel Pipe
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China [CN] Seamless steel pipe is perforated by the whole round steel,and the steel pipe with no weld on the surface is called seamless steel pipe. Seamless steel pipe is mainly used for petroleum geological drilling pipe, petrochemical cracking pipe,boiler furnace pipe,bearing pipe and high-precision structural steel pipe for automobiles,tractors and aviation.
Paremeter:
Standard | Grade | Tensile strength | Yield strength | Elongation | Impact energy | Hardness |
GB3087 | 10 | 335~475 | ≥195 | ≥24 | / | / |
20 | 410~550 | ≥245 | ≥20 | / | / | |
GB5310 | 20G | 410~550 | ≥245 | ≥24 | ≥35 | / |
20MnG | ≥415 | ≥240 | ≥22 | ≥35 | / | |
25MnG | ≥485 | ≥275 | ≥20 | ≥35 | / | |
15CrMoG | 440~640 | ≥235 | ≥21 | ≥35 | / | |
12Cr2MoG | 450~600 | ≥280 | ≥20 | ≥35 | / | |
12Cr1MoVG | 470~640 | ≥255 | ≥21 | ≥35 | / | |
10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | ≥35 | / | |
ASMESA106 | SA106B | ≥415 | ≥240 | ≥22 | ≥35 | / |
SA106C | ≥485 | ≥275 | ≥20 | ≥35 | / | |
ASMESA333 | SA3331 | ≥380 | ≥205 | ≥28 | -45℃≥18 | / |
SA3334 | ≥415 | ≥240 | ≥22 | -45℃≥18 | < 
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