SA/A333 Low Temperature Pipe - Grades 6 Pipe
|
Standard |
ASTM, ASME and API |
|
Pipe Size |
1/2″ – 24″ (seamless). up to 42″ for welded |
|
Schedule |
SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS |
|
Pipe End |
P – Plain-endB – Bevelled-endT – Threaded |
|
Form |
Round Pipes/ Tubes, Square pipes/ tubes, Rectangular pipes/ tubes, Coiled tubes, U Shape, Pan cake coils, Hydraulic tubes |
|
Grade |
ASTM A333 Grade1, ASTM A333 Grade 3, ASTM A333 Grade 6, ASTM A334 Grade 1, ASTM A334 Grade 6 |
Heat Treatment Requirements
All seamless and welded pipe shall be treated to control their microstructure by the following methods: Normalizing per A 333/A 333M-05 section 4.3.1.1; section 4.3.1.2 or section 4.3.1.3 Quenched and Tempered per A 333/A 333M – 05 section 4.3.2.1 Double Normalized and Tempered per A 333/A 333M – 05 section 4.3.2.2
Chemical Composition
| Composition, % | |||
| Element | Grade 1 | Grade 3 | Grade 6 |
| Carbon, max | 0.30 | 0.19 | 0.30 |
| Manganese | 0.40 – 1.06 | 0.31 – 0.64 | 0.29 – 1.06 |
| Phosphorous, max | 0.025 | 0.025 | 0.025 |
| Sulfur, max | 0.025 | 0.025 | 0.025 |
| Silicon | 0.18 -0.37 | 0.10 min | |
| Nickel | 3.18 – 3.82 | ||
