ASTM A333 Standard covers seamless and welded steel pipe for low temperature service. The Grade 6 steel involved is similar to AISI 4032 low alloy steel. ASTM A333 Grade 6 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:
Application: Seamless and Welded Steel Pipe for Low-Temperature Service.
Steel grade: ASTM A333 Grade 6
Inspection and Test:
ASTM A333 Gr. 6 Chemical Compositions(%)
Elements | Composition, % |
Carbon(max) | 0.3 |
Silicon | ≥0.10 |
Manganese | 0.29-1.06 |
Phosphorus(max) | 0.025 |
Sulfur(max) | 0.025 |
Chromium | — |
Nickel | |
Copper | — |
Molybdenum | — |
Vanadium | — |
Aluminum | — |
ASTM A333 Gr.6 Mechanical Properties
Data | ASTM A333 Grade 6 |
Tensile strength, min, psi (MPa) | 60 000 (415) |
Yield strength, min, psi (MPa) | 35 000 (240) |
Minimum Impact Test Temperature -45 C(-50 F)