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gas, oil, liquid Steel Pipe natural gas coated steel pipe/tube

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Outer Diameter: 21.3 - 762mm

Wall Thickness: 1.25 - 63.5mm
Length: Random Length, Fixed Length, SRL, DRL


Applicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes, and to transport liquid, gas, oil etc.


Quality Standard:
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 Superheater 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


Steel Grade:
Steel Grade:API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53/A106: GR A, GR B, GR C
ASME SA192: SA192
ASME SA209M: T1, T1a
ASME SA210: GR.A-1, GR.C
ASME SA213: T2, T5, T9, T11, T12, T22
ASME SA335: P2, P5, P9, P11, P12, P22, P91
DIN17175:ST35.8, ST45.8, 15Mo3, 13CrMo44


Heat treatment:

Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered


Hot dip galvanized, Black oil, Bare, Varnish coating, Antirust oil, Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE, Bitumen coating or as per customer’s request. 


Pipe End:

Plain end, beveled end, threaded and coupled  



Plastic caps on both ends. Bundle with steel strips.

Wrapped in waterproof paper, PVC sleeve or as per customer’s request.



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.,
Mill Test Certificate: EN 10204/3.1B



More products in our website: www.threewaysteel.com

Any problem, please call me 0086-13808486413

Skype: helendeng12

Ms. Helen Deng


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  • Ms.Irene Yan
  • 0086-731-88678512
  • 0086-731-88678578
  • 6th Floor, CTA Fortune Centre, No. 368, South of Furong Ave,

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