中国 Steel tubes for pipeline for combustible liquids Steel Grade : L210GA, L235GA, L245GA, L290GA, L360GA

Steel tubes for pipeline for combustible liquids Steel Grade : L210GA, L235GA, L245GA, L290GA, L360GA

標準: API/ASTM
グレード: ASTM A252 Gr1/Gr2/Gr3
技術: SAW/UOE
中国 Welded circular tubes of non-alloy steels without special quality requirements Steel Grade : St 33 (St 37.0, St 44.0, St

Welded circular tubes of non-alloy steels without special quality requirements Steel Grade : St 33 (St 37.0, St 44.0, St

標準: API/ASTM
グレード: ASTM A252 Gr1/Gr2/Gr3
技術: SAW/UOE
中国 ČSN 42 5738:1979   Spiral weld steel pipes   Steel Grade : 11 375, 11 378, 11 425, 11 523

ČSN 42 5738:1979 Spiral weld steel pipes Steel Grade : 11 375, 11 378, 11 425, 11 523

標準: API/ASTM
グレード: ASTM A252 Gr1/Gr2/Gr3
技術: SAW/UOE
中国 ASTM A 501:2007  Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

ASTM A 501:2007 Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

標準: API/ASTM
グレード: ASTM A252 Gr1/Gr2/Gr3
技術: SAW/UOE
中国 ASTM A 53:2006 + ASME SA 53:2007  Seamless and welded black tubes suitable for zinc dipping”

ASTM A 53:2006 + ASME SA 53:2007 Seamless and welded black tubes suitable for zinc dipping”

標準: API/ASTM
グレード: ASTM A252 Gr1/Gr2/Gr3
技術: SAW/UOE
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