Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A335 / ASME SA335 Grade P9 / UNS S50400 Alloy Steel Seamless Pipe for Boiler
A335 / SA335 P9 is a seamless ferritic alloy-steel pipe used for high-temperature applications. These pipes are versatile and can be used to transmit water, oil and natural gas. Key to the composition of chrome moly alloy P9 is the addition of chromium and molybdenum.
Other standard and material
| Alloy steel seamless pipe/tube | |
| PIPES & TUBES | : ASTM A335, ASTM A213, ASTM A691 |
| PIPES FITTINGS | : ASTM A234 |
| FITTINGS & FLANGES | : ASTM A182 |
| GRADES | : P1/P5/P9/P11/P12/P22/P91 & T5/T9/T11/T22/T91 |
| FORM (PIPES) | : SEAMLESS / E.R.W / EFSW |
| Yuhong Special Steel is Exporters & Supplier of alloy steel seamless pipe, alloy steel pipe gr p5, | |
| Available Shapes : | |
| Tubes & Pipes (SEAMLESS ) up to 30". | |
Specifications
Alloy Steel Seamless Pipe
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40.
Type : Seamless / Fabricated
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Seamless Pipe – AS Seamless Pipe
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Alloy Steel Pipe A335 P5
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40.
Type : Seamless / Fabricated
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P5 – AS Pipe A335 P5
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Alloy Steel Pipe A335 P9
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40.
Type : Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P9 – AS Pipe A335 P9
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Alloy Steel Pipe A335 P11
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40.
Type : Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P11 – AS Pipe A335 P11
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Alloy Steel Pipe A335 P12
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40
Type : Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P12 – AS Pipe A335 P12
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P97
Alloy Steel Pipe A335 P22
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40
Type : Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P22 – AS Pipe A335 P22
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Alloy Steel Pipe A335 P91
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40.
Type : Welded / Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P91 – AS Pipe A335 P91
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91
Equivalent Material of Alloy Steel P9 Square Pipe
| ASTM | ASME | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
|---|---|---|---|---|---|---|---|---|---|
| A335 P9 | SA335 P9 | STPA 26 | S50400 | 3604 P1 629-470 | 2604 II TS38 |
Chemical composition(%)
| Grade | C | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| P11 | .05-0.15 | 0.30-0.60 | 0.025 | 0.025 | .50-1.00 | 1.00-1.50 | .44-0.65 |
| P22 | .05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | .87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | .45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | .25-1.00 | 8.00-10.00 | .90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | .02-0.50 | 8.00-9.50 | .85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | .30-0.60 |
Mechanical properties
| Grade | Tensile strength | Yield strength | Elongation |
| P11, P22, P5, P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
