ASTM A333 Grade 1, Seamless and Welded Steel Pipe for Low-Temperature Service.

Grade 1 is the part of  standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. Grade 1  shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.

Seamless and Welded Steel Pipe size for Low-Temperature Service:

  • Outer Dimensions: 19.05mm – 114.3mm
  • Wall Thickness:2.0mm – 14 mm
  • Length: max 16000mm

Application: Seamless and .
Steel grade: ASTM A333 Grade 1

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.
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Chemical Compositions(%)

Steel Grade C Si Mn P S Cr Mo Cu Ni V
ASTM A333 Grade.1 ≤0.30 / 0.40-1.06 ≤0.025 ≤0.025 / / / / /

ASTM A333 Grade 1 Mechanical Properties

Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
Grade.1 ≥205 ≥380 35

Strike Temperature Condition

Grade The lowest temperature for strike test
Gr.1 -50 -45
PDFView the PDF catalogue of ASTM A333 Grade 1 specification

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