ASTM A269 TP321 Stainless Steel Welded Pipe
Specifications
ASTM A269 TP321 Stainless Steel Welded PipeGrade: TP321
Standards: ASTM A269
Type: round or rectangular
| Item Standard | ASTM A249/A249M | ASTM A312/A312M | ||
| GradeYield Strength σ0.2(Mpa) | TP304 | TP304L | TP304 | TP304L |
| TP316 | TP316L | TP316 | TP316L | |
| TP321 | TP321 | |||
| Tensile Strength σb(Mpa) | ≥170; ≥215 | ≥170; ≥205 | ||
| Tensile Strength σb(Mpa) | ≥485; ≥515 | ≥ 485; ≥ 515 | ||
| Elongation | ≥ 35 | ≥ 35 | ||
| Flattening Test | H=1.09t/(0.09+t/D) | |||
| Flange Test | 15%D | |||
| Hydraulic Test(Mpa) | P=220.6t/D |
ASTM A530/A530M D≤270MM P=2Rt/D R=50%σ0.2 |
||
| Non-Destructive Test | X-ray Test(Radiographic) | |||
| Metallograph Analysis | ASTM A262E | ASTM A262 E | ||
|
Outside Diameter Tolerance(mm) |
O.D. | Tolerance | O.D. | Tolerance |
| <25.4 | ±0.10 | 10.3-48.3 | +0.40/-0.80 | |
| 25.4-38.1 | ±0.15 | 48.3-114.3 | +0.80/-0.80 | |
| 38.1-50.8 | ±0.20 | 114.3-219.1 | +1.60/-0.80 | |
| 50.8-63.5 | ±0.25 | 219.1-457.2 | 2.40/-0.80 | |
| 63.5-76.2 | ±0.30 | 457.2-660.4 | +3.20/-0.08 | |
| 76.2-101.6 | ±0.38 | 660.4-864 | +4.00/-0.08 | |
| 101.6-190.5 | ±0.38/-0.64 | 864-1219.2 | +4.80/-0.08 | |
| 190.5-228.6 | ±0.38/-1.14 | |||
| Thickness Tolerance(mm) | ±10%t | -12.5%t | ||
| Hardness | HRB<90 | HRB<90 | ||


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