ASTM A335 P5 P9 Alloy Steel Pipe Seamless Pipe SCH 5X - SCH 160
1. ASTM A335 P5, P9, P11, P22, P91 Seamless Pipes, Tubes
Specifications, Stock and Supply Range
Size Range : 1/2” NB to 36” NB
Alloy Steel Pipes Specifications : ASTM A/ASME SA 335 P1, P2, P5,
P9, P11, P12, P22, P23, P91, and P92
Thickness Range: SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All
Schedules, upto 12mm thk
Type : Seamless / ERW / Welded / Fabricated / CDW
Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular
Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic
Tubes
Length: Single Random, Double Random & Required Length, Custom Size
– 12 Meter lengths
End: Plain End, Beveled End, Treaded
End Protection: Plastic Caps
End Connections for Line Pipes: Plain, Bevel, Screwed, Threaded
Outside Coating: Black Painting, Anti-Corrosion Oil, Galvanised
Finish, Finish as per customer Requirements
Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1,
Chemical Reports, Mechanical Reports, PMI Test Reports, Visual
Inspection Reports, Third Party Inspection Reports, NABL Approved
Lab Reports, Destructive Test Report, Non Destructive Test Reports,
India Boiler Regulations (IBR) Test Certificate
Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips
Bundled, or as per Customers Requests
Specials: Sizes and Specifications other than above can be
manufactured on request
2. ASTM A335 / ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes
Chemical Composition :
| Grade | C | Mn | P | S | Si | Cr | Mo |
| P5 | 0.15max | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 4.00-6.00 | 0.45-0.65 |
| P9 | 0.15 max | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 1.90-2.60 | 0.87-1.13 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.02 | 0.01 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 |
| V 0.18-0.25 | N 0.03-0.07 | Ni 0.40 max | Al 0.02 max | Cb 0.06-0.10 | Ti 0.01 max | Zr 0.01 max |
3. ASTM A335 / ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes
Mechanical Properties :
| Grade | Tensile strength(MPa) | Yield strength(MPa) | Elongation(%) | Impact energy(J) | Hardness |
| P11 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 163HB |
| P12 | ≥ 415 | ≥ 220 | ≥ 22 | ≥ 35 | ≤ 163HB |
| P22 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 163HB |
| P5 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 187HB |
| P91 | 585~760 | ≥ 415 | ≥ 20 | ≥ 35 | ≤ 250HB |
| P92 | ≥ 620 | ≥ 440 | ≥ 20 | ≥ 35 | 250HB |
4. Tolerance for ASTM A335/ASME SA 335 P5, P9, P11, P22, P91
Seamless Pipes :
| NPS | OD Tolerance | NPS | WT Tolerance |
| 1/8″ ≤ NPS ≤ 1 1/2″ | +/- 0.4 | 1/8″ ≤ NPS ≤ 2 1/2″ , All T/D ratios. | +20%, -12.5% |
| 1 1/2 < NPS ≤ 4″ | +/- 0.79 | NPS ≥ 2 1/2″ , T/D ≤ 5% | +22.5%, -12.5% |
| 4″ < NPS ≤ 8″ | +1.59, -0.79 | NPS ≥ 2 1/2″ , T/D > 5% | +15%, -12.5% |
| 8″ < NPS ≤ 12″ | +2.38, -0.79 | (T= Specified Wall Thickness; D = Specified Outside Diameter) |
5. ASTM A 335 Standard Specification for Seamless Ferritic
Alloy-Steel Pipe for High Temperature Service :
| Trade Name | Grade | UNS # | Pipe | Forged / Bored Pipe * |
| 1 1/4 Chrome | P11 | K11597 | A335 / SA335 | A369 / SA369 |
| 2 1/4 Chrome | P22 | K21590 | A335 / SA335 | A369 / SA369 |
| 5 Chrome | P5 | K41545 | A335 / SA335 | A369 / SA369 |
| 9 Chrome | P9 | S50400 | A335 / SA335 | A369 / SA369 |
| P91 | P91 | K91560 | A335 / SA335 | A369 / SA369 |
| P92 | P92 | K92460 | A335 / SA335 | A369 / SA369 |
