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Production | seamless steel pipe | ||||||
Standard | ASTM A179 | ||||||
Process of manufacture | As-rolled,Heat-treated | ||||||
Chemical composition | Steel grade | C(%) | Mn(%) | P(%)≤ | S(%)≤ | Si(%)≤ | |
A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 | ||
Tensile properties | Steel grade | Yield strength (Mpa) | Tensile strength(Mpa) | ||||
A179 | ≥205 | ≥335 | |||||
Type of length | Fixed ruler and Double ruler | ||||||
Application | The most thin-walled tube heat exchangers, condensers and similar heat transfer apparatus used seamless steel pipe | ||||||
Certification | ISO 9001-2002 ISO14001-2004 | ||||||
Inspection and Test | Tensile test,Hydrostatic test,Non-destructive inspection and as agreed | ||||||
Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating or as agreeed |