Home > Alloy Steel > Alloy Steel P91 Pipes
Alloy Steel P91 Pipe is a prime example of top-tier precision engineering paired with a unique blend. These pipes are made up of essential elements like chromium, molybdenum and steel, delivering unmatched strength and performance. Their construction offers outstanding characteristics, including high strength, hardness, corrosion resistance and the capacity to endure elevated temperatures. Commonly employed across sectors such as oil and gas power generation and chemical processing, alloy steel P91 pipe is recognized for its dependability and long service life. Whether applied in pipelines, construction, or machinery handling heavy loads, it is essential for the efficiency and adaptability of industrial processes.
| Specialized in | Sizes in Large Diameter |
| OD | 19.05 milimeter – 114.3 milimeter |
| WT | 2.0 milimeter – 14 milimeter |
| Length | maximum 16000 milimeter |
| Form | Square, Hydraulic, Round, Rectangular, Etc. |
| Standard | SA335 P91, ASTM A335 P91 |
| Thickness | From 3 to 12 milimeter |
| Size | From 1/2 NB upto 36 NB |
| Schedule | Schedule 40, 80, 160, XS, XXS |
| Tolerance |
Cold rolled pipe: +/-0.05 milimeter
Cold drawn pipe: +/-0.1 milimeter |
| Craft | Cold drawn / Cold rolled |
| Type | ERW / Fabricated / Seamless / Welded |
| Length | Double Random, Cut Length, Single Random, . |
| Specialized in | SA335 P91 |
| Additional Testing | NACE TM0177, H2 SERVICE, NACE MR0175, IBR, NACE TM0284, SSC TEST, HIC TEST, etc. |
| C | Si | Mn | P | S | AL | Cr | Cu | Mo | N | Nb | Ni | V | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.4903 | Min% | 0.08 | 0.30 | 8.0 | 0.85 | 0,030 | 0,060 | 0.18 | ||||||
| Max % | 0.12 | 0.50 | 0.60 | 0,020 | 0.005 | 0,040 | 9.50 | 0.30 | 1.05 | 0,070 | 0,100 | 0.30 | 0.25 | |
| Yield strength Rp0.2 (N / mm 2 ) | > = 450 | Normalized + tempered | |
|---|---|---|---|
| Yield strength Mpa / ksi | 415/60 | ASTM A 335 -P91 | |
| Tensile strength Rm (N / mm 2 ) | 620-850 | Normalized + tempered | |
| Elongation at break-A5 (%) min.lengths | > = 20 | Normalized + tempered | |
| Notched impact strength (J) across | 40 | transversely / normalized + tempered | |
| Tensile strength Rm N / mm 2 / ksi | 585/85 | ASTM A 335 -P91 | |
At Sumakhsteel, we take great pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we hold an extensive stock of more than 25,000 tons of top-grade materials kept ready in inventory.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy Steel P91 Pipes conforming to DIN, ISO, JIS or ANSI Standard.
Alloy Steel P91 Pipes serve applications as varied as the industries they support, led chiefly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Alloy Steel P91 pipes are joinable through several techniques including TIG, MIG, and arc welding. That said, owing to their elevated chromium and molybdenum levels, adequate preheating and post-weld heat treatment are crucial to prevent problems such as cracking and to preserve the soundness of the weld. This guarantees dependable performance and longevity in challenging applications.
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Email Us: sales@sumakhsteel.com
