
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)