ASTM A182 F91 Flanges Exporter in Oman are high-quality forged flanges made from alloy steel, specifically designed to withstand high temperatures and pressures. Manufactured and exported by Ferro Fittings and Alloys based in Mumbai, these flanges are essential components in various industrial applications, ensuring durability and reliability in critical systems.
The ASTM A182 F91 flanges comply with international standards such as ASTM, ASME, and DIN, ensuring their suitability for demanding environments. Available in sizes ranging from DN 15 to DN 1000 (NPS ½ to NPS 40), these flanges can handle pressure ratings from Class 150 to 2500 or PN10 to PN400. They are designed for high-temperature applications, typically operating within a temperature range of -29°C to 593°C (-20°F to 1100°F), and feature various end connections, including weld neck, slip-on, and threaded types, tailored to meet specific project requirements.
These flanges find extensive applications across multiple industries such as Oil & Gas, Petrochemical, Chemical Processing, Power Generation, Pharmaceutical Manufacturing, Shipbuilding, and Water Treatment. They are particularly sought after in projects located in the UAE, Saudi Arabia, and Qatar, often within EPC and LSTK contracts, as well as maintenance operations in the UK and USA. The versatility and reliability of ASTM A182 F91 flanges make them an ideal choice for critical installations.
Ferro Fittings and Alloys prides itself on maintaining ISO 9001:2015 certification, ensuring that all products meet rigorous quality standards. Our flanges come with EN 10204 3.1 / 3.2 Mill Test Certificates, providing transparency and assurance to our clients. We conduct in-house testing, including PMI, Hydrostatic, Hardness, Impact (Charpy), UT, and LPT, to guarantee the integrity of our products. For projects requiring sour service, our flanges comply with NACE MR 0175 / ISO 15156 standards. Request a free MTC sample or get a quick quote via WhatsApp.
When you choose Ferro Fittings and Alloys, you benefit from a competitive lead time of just 2–4 weeks, no minimum order quantity, and readily available stock. We provide shipping options such as FOB Mumbai, CIF, and CFR, along with full export documentation for seamless transactions. For inquiries, reach us at +91-86550-39959, connect via WhatsApp at wa.me/+918655039959, or email us at sales@ferrofittings.com. Let us support your project with our reliable products and services!
Trusted manufacturer & exporter of Flanges, Pipe Fittings and Valves in 30+ countries.
1–4 weeks depending on size, grade & quantity.
Urgent and bulk orders handled efficiently.FOB, CIF, CFR, EXW, DDP (Incoterms 2020).
Door-to-port and door-to-door delivery available.Sea Freight / Air Cargo / Express Courier.
Complete export documentation & tracking support.Trusted by EPC contractors, procurement teams, and global industrial buyers across multiple countries for certified supply and reliable delivery.
Direct supply with bulk stock availability to reduce your overall project cost.
ISO 9001, ISO 14001, ISO 45001, PED certified with full test certificates.
Safe, sea-worthy packaging ensuring damage-free international delivery.
Selecting the right partner for ASTM A182 F91 Flanges Exporter in Oman is critical for ensuring product quality, long-term performance, and successful project execution. As a trusted manufacturer and exporter, Ferro Fittings and Alloys delivers high-quality materials meeting international standards and global industry requirements.
Understand the key differences between local suppliers, trading companies, and professional manufacturers & exporters like Ferro Fittings and Alloys.
| Evaluation Factor | Small Local Suppliers | Trading Companies | Ferro Fittings and Alloys |
|---|---|---|---|
| Manufacturing Control | Limited or outsourced production | Dependent on third-party mills | Direct manufacturing with strict quality control |
| Standards Compliance | Basic or local standards | Varies depending on supplier | ASTM, ASME, ANSI, EN, ISO certified products |
| Inspection & Certification | Limited documentation | Inconsistent certification | MTC, TPI, and full export documentation provided |
| Export Capability | Mostly domestic supply | Moderate export handling | Global exports with complete logistics support |
| Delivery Reliability | Uncertain timelines | Depends on sourcing chain | Consistent lead times with ready stock availability |
| Project Risk Level | High | Medium | Low |
| Product | Composition | Standard | Application |
|---|---|---|---|
| ASTM A182 F91 Flanges | C: 0.05-0.15%, Cr: 8.0-10.5%, Mo: 0.9-1.2%, V: 0.2-0.5% | ASTM A182, ASME SA-182 | High-temperature applications, Power generation, Petrochemical industry |
| ASTM A182 F91 Flanges | C: 0.05-0.15%, Cr: 8.0-10.5%, Mo: 0.9-1.2%, V: 0.2-0.5% | ASTM A182, ASME SA-182 | Pressure vessels, Heat exchangers, Piping systems |
| ASTM A182 F91 Flanges | C: 0.05-0.15%, Cr: 8.0-10.5%, Mo: 0.9-1.2%, V: 0.2-0.5% | ASTM A182, ASME SA-182 | Oil and gas industry, Chemical processing |
Ferro Fittings and Alloys is a leading exporter of ASTM A182 F91 flanges in Oman, providing high-quality products that meet stringent industry standards. Our flanges are manufactured from a high-performance alloy designed for high-temperature applications, ensuring reliability and durability. With a commitment to excellence, we offer ISO 9001:2015 certified products accompanied by Material Test Certificates (MTC) that confirm compliance with ASTM, ASME, and other relevant standards. Our in-house testing capabilities, including PMI, hardness, and hydrostatic testing, further assure the integrity of our products. We cater to urgent requirements with a standard lead time of 2–4 weeks and no minimum order quantity restrictions. Contact us for a quick quote or request a free sample MTC today!
| Material | ASTM A182 F91 |
|---|---|
| Grades | F91 |
| Standard | ASTM A182 |
| Size Range | 1/2" to 24" |
| Pressure Rating | Class 150 to Class 2500 |
| Surface Finish | Machine Finish, Roughness 3.2 µm |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Form | Flanges |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| A182 F91 / UNS K91560 | Alloy Steel | High strength and excellent corrosion resistance | Power generation, petrochemical, and oil & gas industries |
| A182 F91 / UNS K91560 | Alloy Steel | Good weldability and fabricability | High-temperature applications up to 600°C (1112°F) |
| A182 F91 / UNS K91560 | Alloy Steel | Resistant to thermal fatigue and oxidation | Steam piping systems and pressure vessels |
| A182 F91 / UNS K91560 | Alloy Steel | High creep strength | Supercritical and ultra-supercritical power plants |
| A182 F91 / UNS K91560 | Alloy Steel | Excellent mechanical properties at elevated temperatures | Heat exchangers and boiler components |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 1/2" (15 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| 3/4" (20 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| 1" (25 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| 1-1/2" (40 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| 2" (50 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| 3" (80 mm) | 150 | 0.24" (6.1 mm) | 1.5" (38.1 mm) |
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.08 | 0.12 |
| Chromium (Cr) | 8.00 | 1.00 |
| Molybdenum (Mo) | 0.80 | 1.10 |
| Vanadium (V) | 0.20 | 0.35 |
| Nickel (Ni) | 0.50 | 1.00 |
| Mn (Manganese) | 0.30 | 0.60 |
| Si (Silicon) | 0.20 | 0.50 |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (Min) | 415 | MPa | ASTM A182 |
| Tensile Strength (Max) | 620 | MPa | ASTM A182 |
| Elongation in 2 inches (Min) | 20 | % | ASTM A182 |
| Hardness (Max) | 235 | HB | ASTM A182 |
| Impact Toughness (Charpy V-Notch, Min) | 27 | J | ASTM A182 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.8 g/cm³ | 0.28 lb/in³ |
| Melting Point | 1425 - 1540 °C | 2600 - 2800 °F |
| Specific Heat | 0.49 J/g·K | 0.12 BTU/lb·°F |
| Thermal Conductivity | 25.3 W/m·K | 17.5 BTU·in/h·ft²·°F |
| Electrical Resistivity | 0.00075 Ω·m | 0.0000013 Ω·ft |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| ASTM | A182 F91 | S50400 | 1.4903 | BS 1501-224-490A |
| ASME | SA182 F91 | S50400 | 1.4903 | BS 1501-224-490A |
| EN | EN 10028-2 | X10CrMoVNb9-1 | 1.4903 | BS 1501-224-490A |
At Ferro Fittings and Alloys, we ensure that all raw materials used for manufacturing ASTM A182 F91 flanges undergo rigorous inspection. Our certified materials comply with ASTM A182 standards and are sourced from reputable suppliers. Each batch is verified for chemical composition through Positive Material Identification (PMI) testing, ensuring that only high-quality materials are utilized in our products.
The forming and fabrication of ASTM A182 F91 flanges involve precision machining techniques. We utilize advanced CNC machines to achieve exact dimensions, which typically range from 1/2" to 24" in diameter. Our fabrication process adheres to strict tolerances as outlined in ASME B16.5, ensuring that each flange meets the necessary specifications for fit and function in high-pressure applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1040 - 1100 | Air | To dissolve carbides and enhance corrosion resistance |
| Stress Relieving | 600 - 650 | Air | To relieve internal stresses from fabrication |
Quality assurance is paramount at Ferro Fittings and Alloys. Each ASTM A182 F91 flange undergoes comprehensive testing, including hardness testing, hydrostatic testing, and impact testing (Charpy). We provide Material Test Certificates (MTC) in accordance with EN 10204 3.1 / 3.2 standards, ensuring our products meet the highest quality benchmarks and are suitable for export to countries including Oman, UAE, and beyond. Contact us for a quick quote or request a free sample MTC to see our quality firsthand.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| ASTM A182 F91 | 1/2" (15 mm) | $4.50 | ₹370 |
| ASTM A182 F91 | 1" (25 mm) | $4.80 | ₹395 |
| ASTM A182 F91 | 2" (50 mm) | $5.20 | ₹430 |
| ASTM A182 F91 | 4" (100 mm) | $6.00 | ₹495 |
Note: Prices are indicative and subject to change based on quantity, raw material costs, and delivery terms. Contact us for the latest quotation.
Our multiple locations and strong logistics network make it easy for customers across India to source ASTM A182 F91 Flanges Exporter in Oman from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports ASTM A182 F91 Flanges Exporter in Oman to 50+ countries worldwide. We handle all export documentation, sea-worthy packaging, and logistics to ensure on-time, damage-free delivery anywhere in the world.
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Ferro Fittings and Alloys is a leading ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality pipe fittings, valves, flanges, round bars, sheets, plates, pipes, tubes, and expansion bellows. Based in Mumbai, India, we serve industrial sectors including oil & gas, petrochemical, power generation, pharmaceuticals, marine, and construction.
We supply a comprehensive range of grades — Stainless Steel, Duplex & Super Duplex, Carbon Steel, Alloy Steel, Inconel, Hastelloy, Monel, Titanium, Nickel, and Nimonic Alloys — to customers in 50+ countries. Our products are manufactured as per ASTM, ASME, ANSI, MSS, BS, DIN, and EN standards with EN 10204 3.1/3.2 Mill Test Certificates.
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