GB/T9711 L175,L210,L245,L290,L320,L360,L290,L320,L360,L390,L415,L450,L485,L555 Chemical Analysis and Mechanical Properties of SSAW Steel Pipe.Standard Grade Chemical Composition(max)% Mechanical Properties(min) tolerances dimmsions and sectional properties Line Pipe GB/T 9711.1 Steel pipe for pipeline transportation GB/T 9711-2017 PDF English.LSAW Steel Pipe,China LSAW Steel Pipe Supplier .Supplier from China 1 GB 3087 Seamless Steel Tube for Low and Medium Pressure Boiler 2 GB 5310 Seamless Steel Tube and Pipes for High Pressure Boiler 3 GB/T 18984 Seamless Steel Pipes for Low Temperature Service Piping 4 GB/T 31940 Bi-Metal Composite Corrosion Resistance Steel Pipe for Fluid Transportation 5 GB/T 32957 Cold-drawn or Cold-rolled Precision Inside
1 GB 3087 Seamless Steel Tube for Low and Medium Pressure Boiler 2 GB 5310 Seamless Steel Tube and Pipes for High Pressure Boiler 3 GB/T 18984 Seamless Steel Pipes for Low Temperature Service Piping 4 GB/T 31940 Bi-Metal Composite Corrosion Resistance Steel Pipe for Fluid Transportation 5 GB/T 32957 Cold-drawn or Cold-rolled Precision Inside
AHL STEEL provide qualified pipeline steel plates according to standand of API 5L,ISO 3183,and GB/T 9711.(plate) SSAW Steel Pipe(steel) GB/T 3091 Welded pipe for low pressure fluid service SY/T 5037 Spirally submerged arc welded steel pipe for pipelines for low pressure fluid service ASTM A53 Black and hot-hipped galvanized welded and
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