ASTM A333 Grade 9 seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASMT A333 Grade 9 seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.
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
A334 Gr.9 seamless steel pipe Chemical Requirements
| Element | Composition, % |
| Carton,max | 0.20 |
| Manganese | 0.40-1.06 |
| Phosphorus,max | 0.025 |
| Sulfur,max | 0.025 |
| Nickel | 1.60-2.24 |
| Copper | 0.75-1.25 |
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