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
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.
| Compositions | Data |
| Carbon(max.) | 0.12 |
| Manganese | 0.50-1.05 |
| Phosphorus(max.) | 0.025 |
| Sulfur(max.) | 0.025 |
| Silicon | 0.18-0.37 |
| Nickel | 3.18-3.82 |
| Chromium | 0.44-1.01 |
| Al | 0.04-0.30 |
| Properties | Data |
| Yield strength(min) | 415 Mpa |
| Tensile strength(min) | 240 Mpa |
| Elongation(%, min) Y | 30 |
| Elongation(%, min) X | 16.5 |
| The lowest temperature for strike test | |
| ℉ | ℃ |
| -150 | -100 |
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E112 Test Methods for Determining Average Grain Size