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ASTM A333 Grade 3 Seamless Pipe

ASTM A333 Grade 3, Seamless Pipe for Low-Temperature Service

ASTM A333 Grade 3 is the part of  standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 Grade 3 alloy pipe 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 Welded Steel Pipe for Low-Temperature Service.
Steel grade: ASTM A333 Grade 3

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.

ASTM A333 Grade 3 Chemical Compositions(%)

Grade Chemical Composition (%)
C(max) Si Mn P(max) S(max) Cr Ni Cu Mo V Al
Grade 3 0.19 0.18-0.37 0.31-0.64 0.025 0.025 3.18-3.82  / /  /  /

ASTM A333 Grade 3 Mechanical Properties

Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
ASTM A333 Grade 3 ≥450 ≥240 ≥30 ≥20

Strike Temperature Condition

Crade The lowest temperature for strike test
ASTM A333 Grade 3 -150 -100
PDFView the PDF catalogue of ASTM A333 Grade 3 specification

Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.



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