ASTM A333 Grade 4 is the part of standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 Grade 4 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 4
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 4 Chemical Compositions(%)
Grade | Chemical Composition (%) | ||||||||||
C(max) | Si | Mn | P(max) | S(max) | Cr | Ni | Cu | Mo | V | Al | |
Grade 4 | 0.12 | 0.18-0.37 | 0.50-1.05 | 0.025 | 0.025 | 0.44-1.01 | 0.47-0.98 | 0.40-0.75 | 0.04-0.30 |
ASTM A333 Grade 4 Mechanical Properties
Grade | Tensile Strength (MPa) | Yield Point (MPa) | Elongation (%) | |
Y | X | |||
ASTM A333 Grade 4 | ≥415 | ≥240 | ≥30 | ≥16.5 |
Strike Temperature Condition
Crade | The lowest temperature for strike test | |
℉ | ℃ | |
ASTM A333 Grade 4 | -150 | -100 |
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