低溫無縫鋼管

低溫無縫鋼管

低溫無縫鋼管是無縫鋼管的一種,在低溫下加工而成,無需無縫焊接,可用於各種行業的液體氣壓管道和氣體管道等。

產品簡介


標準
ASTM A333——Seamless and Welded Steel Pipe for Low-Temperature Service
衝擊溫度
級別最低衝擊試驗溫度
Grade 1-50-45
Grade 3-150-100
Grade 4-150-100
Grade 6-50-45
Grade 7-100-75
Grade 8-320-195
Grade 9-100-75
Grade 10-75-60
力學性能
標準牌號抗拉強度(MPa)屈服強度(MPa)伸長率(%)
縱向橫向
ASTM A333Grade 1≥380≥205≥35≥25
Grade 3≥450≥240≥30≥20
Grade 4≥415≥240≥30≥16.5
Grade 6≥415≥240≥30≥16.5
Grade 7≥450≥240≥30≥22
Grade 8≥690≥515≥22
Grade 9≥435≥315≥28
Grade 10≥550≥450≥22
Grade 11≥450≥240≥18
化學成分
標準牌號化學成分(%)
CSiMnPSCrNiCuMoVAl
ASTM
A333
Grade 1≤0.300.40-1.06≤0.025≤0.025
Grade 3≤0.190.18-0.370.31-0.64≤0.025≤0.0253.18-3.82
Grade 4≤0.120.18-0.370.50-1.05≤0.025≤0.0250.44-1.010.47-0.980.40-0.750.04-0.30
Grade 6≤0.30≥0.100.29-1.06≤0.025≤0.025
Grade 7≤0.190.13-0.32≤0.90≤0.025≤0.0252.03-2.57
Grade 8≤0.130.13-0.32≤0.90≤0.025≤0.0258.40-9.60
Grade 9≤0.200.40-1.06≤0.025≤0.0251.60-2.240.75-1.25
Grade 10≤0.200.10-0.351.15-1.50≤0.03≤0.015≤0.15≤0.25≤0.015≤0.50≤0.12≤0.06
Grade 11≤0.10≤0.35≤0.6≤0.025≤0.025≤0.5035.0-37.0≤0.50