Hot Rolled ASME SA335 P91 22" Boiler Seamless Steel Tube
Brand Name:NEW FORCE
Certification:MTC
Model Number:ASTM A335 P91
Minimum Order Quantity:10 tons or negotiable
Delivery Time:2~10 weeks
Payment Terms:L/C, T/T
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22 INCH OD ASME SA335 P91 Seamless Alloy Steel High Pressure Pipe
The ASTM SA335 P91 pipe is one kind of seamless pipe designed for high temperature applications. It is a ferritic alloy steel that has very high strength properties, which do not deteriorate with time, and are creep resistant. It is also called 9 Cr 1 Mo steel, or chrome moly pipe, based on its composition.
Applications of ASTM A335 P91 Pipes:
- Power generation
- Oil services
- Petrochemical plants
- Heaters/reheat lines
- Boilers
- Gas processing equipment
Chemical Composition of ASME SA335 P91 Pipes:
| 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 |
Specification of SA335 P91 Pipes
| Specialized in | Large Diameter Size |
| Length | max 16000mm |
| Schedule | Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk. |
| Form | Round, Square, Rectangular, Hydraulic Etc. |
| Standard | ASTM A335 P91, SA335 P91 (with IBR Test Certificate) |
| Size | 1/2 NB to 36 NB |
| Thickness | 3-12mm |
| Schedule | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Tolerance | Cold drawn pipe: +/-0.1mm |
| Cold rolled pipe: +/-0.05mm | |
| Craft | Cold rolled and Cold drawn |
| Type | Seamless |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Specialized in | Large Diameter SA335 P91 Material |
| Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| Application | High-Temperature Service |
Mechnical Properties of ASTM A335 P91 Pipes
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 585 min | 415 min | 20 min | 250 max |
Hot Rolled ASME SA335 P91 22" Boiler Seamless Steel Tube
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