ASTM A333 A334 alloy pipe
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ASTM A-333 and A-334, Grade 1 to 11 (low temperature service)
Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service
Impact requirements: the notched-bar impact properties of each set of three impact specimens, when tested at temperature specified shall be not less than the values prescribed.
Designs
- Execution: Seamless, Welded (ERW, LSAW, DSAW, etc)
- Sections: Round, Square, Rectangular
- Coatings: Pipes can be delivered with different internal / external coatings in compliance with the most rigorous international standards and Customers' specifications.
-
Grades:
- ASTM / ASME SA-335 Gr. P1, P5, P9, P11, P22, P91
- ASTM / ASME SA-213 Gr. T1, T5, T9, T11, T22, T91
- A519 4130, 4140/42
- Rolled & Welded ASTM A-691
- Not mentioned standards, grades and specifications available upon request
Dimensional Range
- Size range: ¼” nominal through 24'' OD seamless and up to 48” OD welded
- Wall thickness up to 4'' & heavier upon request
- In lenghts of Standard length (SRL), Double length (DRL) & In Cut length also
Chemical Composition (%)
Mechanical Properties
| Grade 1 | Grade 6 | Grade 10 | |
| Carbon, max | 0.30 | 0.30 | 0.20 |
| Manganese | 0.40-1.06 | 0.29-1.06 | 1.15-1.50 |
| Phosphorus, Sulfur, max | 0.025 | 0.025 | 0.035/0.015 |
| Silicon, min | … | 0.10 | 0.10-0.35 |
| Nickel, max | … | … | 0.25 |
| Chrome, Copper, max | … | … | 0.15 |
| Columbium, Molybdenum, max | … | … | 0.05 |
| Aluminum, max | … | … | 0.06 |
| Vanadium, max | … | … | 0.12 |
|
Grade 1
|
Grade 6
|
Grade 10
|
|
| Tensile strength, min, (MPa) |
380
|
415
|
550
|
| Yield strength, min, (MPa) |
205
|
240
|
450
|
| Elongation, min, (%), L/T |
35/25
|
30/16.5
|
22/…
|
