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ASTM A53/A53M Structural Steel Pipe

Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

Detailed Description

  • Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.
  • Standards: ASTM A53/53M (ASME SA53/SA53M)
  • Size (mm):
    • Outer Dimensions.: 6.0mm ~ 180 mm
    • Wall ~ 30 mm
    • Length: max 12000mm
  • Application: For mechanical and pressure use, and also for transporting steam, water, gas and etc.  
  • Mill test certificates will be issued according to EN10204/3.1B
  • Steel grade: Grade.A; Grade.B . 
  • Packing: Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.
  • Both ends of each tube will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Chemical Compositions(%)

  C Si Mn P S Cr Mo Cu Ni V
Seamless or ERW Grade A ≤0.25 / ≤0.95 ≤0.05 ≤0.045 ≤0.40 ≤0.15 ≤0.40 ≤0.40 ≤0.08
Seamless or ERW Grade B ≤0.30 / ≤1.20 ≤0.05 ≤0.045 ≤0.40 ≤0.15 ≤0.50 ≤0.40 ≤0.08
Continuous-weld       ≤0.08 ≤0.06          


Mechanical Properties - Seamless and Electric Resistance Welded

Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
A ≥205 ≥330 20
B ≥240 ≥415 20

A53 Grade B Seamless steel pipe is our most polar product under this specification and A53 pipe is commonly dual certified to A106 B Seamless pipe.
A53 pipe comes in three types (F, E, S) and two grades (A, B).
A53 Type E has an electric resistance weld (Grades A and B)
A53 Type S is a seamless pipe and found in Grades A and B)
A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only)

Products Photo Gallery

View or download the PDF catalogue of ASTM-A53


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