China Cold formed welded structural hollow sections of non-alloy and fine grain steels  S235JRH, S275JOH, S275J2H, S355JOH, S3

Cold formed welded structural hollow sections of non-alloy and fine grain steels S235JRH, S275JOH, S275J2H, S355JOH, S3

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China “Welded steel tubes for pressure purposes. Submerged arc welded non-alloy and alloy steel tubes  P235GH TC1, P265GH TC1

“Welded steel tubes for pressure purposes. Submerged arc welded non-alloy and alloy steel tubes P235GH TC1, P265GH TC1

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China Welded steel pipes for pressure purposes Steel Gade: P195TR1, P235TR1, P265TR1, P195TR2, P235TR2, P265TR2

Welded steel pipes for pressure purposes Steel Gade: P195TR1, P235TR1, P265TR1, P195TR2, P235TR2, P265TR2

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China Steel tubes for pipeline for combustible liquids Steel Grade :L290MB, L360MB, L415MB, L450MB, L485MB

Steel tubes for pipeline for combustible liquids Steel Grade :L290MB, L360MB, L415MB, L450MB, L485MB

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China Steel tubes for pipeline for combustible liquids Steel Grade : L245NB, L245MB, L290NB, L360NB

Steel tubes for pipeline for combustible liquids Steel Grade : L245NB, L245MB, L290NB, L360NB

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China 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

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China 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

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China 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

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China 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

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
China 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”

Standard: API/ASTM
Grade: ASTM A252 Gr1/Gr2/Gr3
Technique: SAW/UOE
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