SA335 PIPE,ASTM SA335 ALLOY BOILER PIPE
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Name: ASTM SA335 Alloy Steel Tubes for boilers, superheaters and heat exchangers
Size:6-840mm
Thickness:1-60mm
large diameter with thick wall
Type:ASTM A335/ ASME SA335 alloy steel seamless pipe Manufacturer
Executive standards: ASTM A213/ a335
Grades: T2/T5/T9/T11/T12/T17/T21/T22/T91/T92
A335 P1 P2 P5 P9 P11 P12 P15 P21 P22 P91 P92
Features Specifications:
| Standard | Steel Code | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation Percentage(%) | Impact Power(J) | Rigidity |
| ASME SA335 | SA335 P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB |
| SA335 P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | |
| SA335 P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
| SA335 P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB | |
| SA335 P91 | 585∼760 | ≥415 | ≥20 | ≥35 | ≤250HB | |
| SA335 P92 | ≥620 | ≥440 | ≥20 | ≥35 | ≤250HB |
Chemical Component
| Standard | Steel Code | Chemical Component(%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Nb | N | ||
| ASME SA335 | SA335 P11 |
0.05∼ 0.15 |
0.50∼ 1.0 |
0.30∼ 0.60 |
≤ 0.030 |
≤0.030 |
1.00 ∼1.50 |
0.50 ∼1.00 |
|||||||
| SA335 P12 |
0.05∼ 0.15 |
≤0.50 |
0.30∼ 0.61 |
≤ 0.030 |
≤0.030 |
0.80 ∼1.25 |
0.44 ∼0.65 |
||||||||
| SA335 P22 |
0.05∼ 0.15 |
≤0.50 |
0.30∼ 0.60 |
≤ 0.030 |
≤0.030 |
1.90 ∼2.60 |
0.87 ∼1.13 |
||||||||
| SA335 P5 | ≤0.15 | ≤0.50 |
0.30∼ 0.60 |
≤ 0.030 |
≤0.030 |
4.00/ 6.00 |
0.45/ 0.65 |
||||||||
| SA335 P91 |
0.08∼ 0.12 |
0.20∼ 0.50 |
0.30∼ 0.60 |
≤ 0.020 |
≤0.010 |
8.00 ∼9.50 |
0.85 ∼1.05 |
≤ 0.40 |
0.18∼ 0.25 |
≤ 0.015 |
0.06∼ 0.10 |
0.03∼ 0.07 |
|||
| SA335 P92 |
0.07∼ 0.13 |
≤0.50 |
0.30∼ 0.60 |
≤ 0.020 |
≤0.010 |
8.50 ∼9.50 |
0.30 ∼0.60 |
B0.001 0.006 |
≤ 0.40 |
0.15∼ 0.25 |
≤ 0.015 |
1.50∼ 2.00 |
0.04∼ 0.09 |
0.03∼ 0.07 |
|
| Type of Steel Pipes | OD(D) | WT(S) | ||
| Cold Drawn Steel Pipe | OD(mm) | Tolerance (mm) | Wall Thickness(mm) | Tolerance (mm) |
| >30∼50 | ±0.3 | >3∼20 | ±10% | |
| >114∼159 | ±0.8% | ≤30 | ±10% | |
| >159∼219 | ±1.0% | |||
| Hot Rolled Steel Pipe | >219∼457 | ±1.0% | ≤20 | +10%,-12.5% |
| >20∼40 | +10%,-10% | |||
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