Seamless Liquid Transport Pipe

Seamless Liquid Transport Pipe


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Applicaiton: Applicable to transport liquid, gas, oil etc.


(1) Quality Standard: 

GB/T 8163: Seamless steel tubes for liquid service

GB 3087: Seamless Steel Tubes for Low and Medium Pressure

GB 5310: Seamless steel tubes and pipes for high pressure boiler

ASTM A106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

ASTM A179: Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

ASTM A192: Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service

ASTM A333: Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service

ASTM A335: Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

JIS G3452: Carbon Steel Pipes for Ordinary Piping

JIS G3454: Carbon Steel Pipes for Pressure Service

BS 3059: Steel Boiler and Super heater Tubes

DIN 1629: Seamless Circular Tubes of Non Alloy Steels With Special Quality Requirements

DIN 17175: Seamless Steel Tubes for Elevated Temperatures

API 5L: Line Pipe

(2) Steel Grade: 

GB/T 8163: 10#, 20#, 35#, 45#, 16MN (Q345B)

GB 3087: 10#, 20#, 35#, 45#, 16MN (Q345B)

GB 5310: 20G, 12Cr1MoV, 12Cr1MoVG, 12CrMoG

ASTM A106: Gr A, Gr B, Gr C

ASTM A333: Gr 1, Gr 3, Gr 6, Gr 8

ASTM A335: P1, P2, P5, P9, P11, P12, P22

JIS G3452: SGP

JIS G3455: STS 370, STS 410, STS 480

BS3059: HFS320, CFS320

DIN 1629: St 37.0, St 44.0, St 52.0

DIN 17175: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121

API 5L: A B X42,X46, X52, X60, X65, X70, X80

(3) Size:

Outer Diameter: Hot finish: 2″ – 30″, Cold drawn: 0.875″ – 18″

Wall Thickness: Hot finish: 0.250″ – 4.00″, Cold drawn: 0.035″ – 0.875″

Length: Random Length, Fixed Length, SRL, DRL

(4) Heat treatment: Annealed, Normalized

(5) Surface: Zinc coating, black phosphated, oiled

(6) Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips

(7) Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector), Hydrostatic Test.,

(8) Mill Test Certificate: EN 10204/3.1B


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