Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Alloy Steel P91 Pipes, which have limited application and are not recommended for end milling, drilling or tapping. Sulphur chlorinated, water – based cutting fluids work successfully when machining Alloy Steel P91 Seamless Pipes. Does not respond to customary aging treatments, but strain aging at relatively low temperatures (700 Degree F – 1100 Degree F) can improve creep and rupture strength when these Alloy Steel P91 Welded Pipes is in service at temperatures under 1300 Degree F.
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Alloy Steel P91 EFW Pipes is an austenitic alloy, where tensile and creep strength can be improved by cold working. Browse our vast selection of high temperature sheet stock of these Alloy Steel P91 ERW Pipes or get in touch with professional for a personalized quote on your next high temp sheet order. Like other nickel alloys, Alloy Steel P91 Round Pipes is ductile, easy to form and weld, and possesses exceptional resistance to stress corrosion cracking in chloride – bearing solutions (a form of degradation to which the austenitic stainless steels are prone).
These Alloy Steel P91 Square Pipes may be machined using conventional techniques, but cobalt grades of high – speed steel or carbide tools combined with rigid machine setups are recommended, as are positive feeds. Annealed material tends to form long, stringy chips, where as Alloy Steel P91 Rectangular Pipes that has had a degree of cold work will machine more easily.
Alloy Steel P91 Seamless Pipes Specifications |
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| Specifications | : | ASTM A 335 ASME SA 335 |
| Dimensions | : | ASTM, ASME and API |
| Size | : | 1/8″NB TO 30″NB IN |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Length | : | Within 13500mm |
| Type | : | Seamless / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
Alloy Steel P91 Pipes Chemical Composition
| Alloy Steel P91 | C | Cr | Mn | Mo | P | S | Si |
| 0.08-0.12 | 8.00 – 9.50 | 0.30-0.60 | 0.85 – 1.05 | 0.020 max | 0.010 max | 0.20 -0.50 |
Alloy Steel P91 Pipe Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation |
| 585 min | 415 min | 20 min |
Outside Diameter & Tolerance
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6＜OD≤190.5 | +0.4/-1.2 | ||
| 190.5＜OD≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| OD＜25.4 | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1＜OD＜50.8 | ±0.20 | ||
| 50.8≤OD＜63.5 | ±0.25 | ||
| 63.5≤OD＜76.2 | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6＜OD≤190.5 | +0.38/-0.64 | ||
| 190.5＜OD≤228.6 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2＜OD≤4 | ±0.79 | ||
| 4＜OD≤8 | +1.59/-0.79 | ||
| 8＜OD≤12 | +2.38/-0.79 | ||
| OD>12 | ±1% |
Alloy Steel P91 Seamless / High Pressure Pipes Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
P91 Alloy Steel Pipes Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Alloy Steel P91 Pipes
Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Alloy Steel P91 Pipes, which have limited application and are not recommended for end milling, drilling or tapping. Sulphur chlorinated, water – based cutting fluids work successfully when machining Alloy Steel P91 Seamless Pipes. Does not respond to customary aging treatments, but strain aging at relatively low temperatures (700 Degree F – 1100 Degree F) can improve creep and rupture strength when these Alloy Steel P91 Welded Pipes is in service at temperatures under 1300 Degree F.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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