Alloy Steel ASTM A335, Gr. P91 Welded Pipes
VISHAL STEEL INDIA is a leading worldwide supplier & exporter for ASTM A335, Gr. P91 Chrome Alloy Welded Pipe, ASTM A691, Gr. P91 Welded Pipe, ASTM A213, Gr. P91 Heater Tubes, ASTM A234, Gr. P91 Buttweld Fittings, ASTM A182, Gr. P91 Flanges and ASTM A182, Gr. P91 Forged Fittings.
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Specification :
| ASTM A355 Alloy P91 Pipe Size (Welded) |
6.35mm o.d to 101.60mm o.d |
| ASTM A355 Alloy P91 Pipe Standards |
ASTM A213, ASME SA213 |
| ASTM A355 Alloy P91 Outer Dimensions |
6-2500mm; WT:1-200mm |
| ASTM A355 Alloy P91 Wall Thickness |
Schedule 3mm to 15mm |
| ASTM A355 Alloy P91 Pipe Length |
max 1~12m |
| ASTM A355 Alloy P91 Schedule |
SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| ASTM A355 Alloy P91 Length |
Single Random, Double Random & Cut Length |
| ASTM A355 Alloy P91 Tubing End |
Plain End, Beveled End, Treaded |
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Chemical Composition :
| C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Mo, % |
V, % |
N, % |
Ni, % |
Al, % |
Nb, % |
| 0.08-0.12 |
0.3-0.6 |
0.02 max |
0.01 max |
0.2-0.5 |
8.0-9.5 |
0.85-1.05 |
0.18-0.25 |
0.03-0.07 |
0.4 max |
0.04 max |
0.06-0.10 |
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Mechanical Properties :
| Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
| 585 min |
415 min |
20 min |
250 max |
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Heat Treatment Requirements :
| |
P91 |
|
|
| Grade |
Heat Treatment Type |
Normalizing Temperature Range F [C] |
Subcritical Annealing
or Tempering
Temperature Range F
[C] |
| P91 |
Normalize and Temper |
1900-1975 [1040 - 1080] |
1350-1470 [730 - 800] |
| Quench and Temper |
1900-1975 [1040 - 1080] |
1350-1470 [730 - 800] |
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Tensile Requirements :
| Feature |
Welded |
| P91 |
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC]. |
| Tensile Strength, min. (ksi) |
85 |
| Tensile Strength, min. (MPa) |
585 |
| Yield Strength, min. (ksi) |
60 |
| Yield Strength, min. (MPa) |
415 |
Alloy Steel ASTM A335, Gr. P91 Welded Pipes Wall Thickness :
| NPS [DN] Designator |
Tolerance, % from Specified |
|
Over |
Under |
| 1/8 to 2 1/2 [6 to 65] incl., all t/D ratios |
20.0% |
12.5% |
| Above 2 1/2 [65], t/D < or = 5% |
22.5% |
12.5% |
| Above 2 1/2 [65], t/D > 5% |
15.0% |
12.5% |
| (t = Specified Wall Thickness; D = Specified Outside Diameter) |
|
|
Contact Us for Alloy Steel ASTM A335, Gr. P91 Welded Pipes Pricing export@vishalsteelind.com
