ASTM A182 F91 Flanges Exporter are high-quality flanges manufactured from alloy steel grade F91, designed to withstand high temperatures and pressures. Ferro Fittings and Alloys, based in Mumbai, India, specializes in the production and export of these flanges, ensuring that they meet international standards for performance and reliability. Our commitment to quality makes us a trusted supplier for industries needing robust and durable flange solutions.
These flanges conform to the ASTM A182 and ASME SA182 standards, ensuring they meet stringent quality requirements. They are available in various sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24) and pressure ratings from Class 150 to Class 2500 (PN10 to PN400). These flanges can accommodate different end connections, including weld neck, slip-on, and threaded types, and operate effectively within temperature ranges of -29°C to 538°C (-20°F to 1000°F), making them suitable for a wide array of applications.
Industries such as Oil & Gas, Petrochemical, Chemical, Power Generation, Pharmaceutical, Shipbuilding, and Water Treatment rely on our reliable flange solutions. Our products are widely used in projects across the globe, including significant markets like the UAE, Saudi Arabia, and the UK, as well as in EPC and LSTK projects. With Ferro Fittings and Alloys as your supplier, you can ensure the longevity and durability of your systems in demanding environments.
Ferro Fittings and Alloys proudly holds the ISO 9001:2015 certification, and we provide EN 10204 3.1 / 3.2 Mill Test Certificates for all our products. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), Ultrasonic Testing (UT), and Liquid Penetrant Testing (LPT), ensuring that our flanges meet the highest quality standards. Additionally, we comply with NACE MR 0175 / ISO 15156 for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings means opting for a competitive lead time of just 2–4 weeks, with no minimum order quantity restrictions and stock availability for urgent needs. We offer flexible shipping options including FOB Mumbai, CIF, and CFR, ensuring comprehensive export documentation. For inquiries, please contact us at +91-86550-39959, reach out via WhatsApp at wa.me/+918655039959, or email us at export@ferrofittings.com. Let us support your project with our quality products today!
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 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 | Chromium-Molybdenum Steel (9Cr-1Mo) | ASTM A182 / ASME SA182 | Used in high-temperature applications in power plants and petrochemical industries |
| ASTM A182 F91 Flanges | 9% Chromium, 1% Molybdenum | EN 10204 3.1 / 3.2 MTC available | Suitable for high-pressure applications up to 600°C (1112°F) |
| ASTM A182 F91 Flanges | Carbon < 0.1%, Silicon < 0.5%, Manganese < 0.5% | PED 97/23/EC | Commonly used in the manufacturing of pipelines and reactors |
Ferro Fittings and Alloys is a recognized ASTM A182 F91 Flanges exporter based in Mumbai, India. Our flanges are manufactured to meet rigorous standards such as ASTM, ASME, and EN, ensuring compliance and quality. With in-house testing capabilities including PMI, Hardness, Hydrostatic, and Impact testing, we guarantee the integrity and performance of our products. We offer quick delivery with a standard lead time of 2-4 weeks, and we accommodate urgent orders. Stock is available for immediate dispatch. Our products are exported to over 50 countries including the UAE, USA, Germany, and Japan. Contact us for a quick quote or request a free sample MTC today!
| Material | Alloy Steel |
|---|---|
| Grades | F91 |
| Standard | ASTM A182 |
| Size Range | 1/2" to 24" |
| Pressure Rating | Class 150 to Class 2500 |
| Surface Finish | Raised Face, Flat Face, or Ring Type Joint |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Form | Flanges |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| F91 / UNS K91560 | Alloy Steel | High-temperature strength and oxidation resistance | Power generation, petrochemical plants |
| F22 / UNS K21590 | Alloy Steel | Good creep resistance | High-pressure applications, heat exchangers |
| F5 / UNS K41545 | Alloy Steel | Excellent toughness and weldability | Oil and gas industry, pressure vessels |
| F9 / UNS K90901 | Alloy Steel | High strength at elevated temperatures | Steam turbine components, boiler flanges |
| F11 / UNS K11597 | Alloy Steel | Good ductility and impact resistance | High-temperature piping systems, nuclear applications |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 1/2" (15 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| 3/4" (20 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| 1" (25 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| 1-1/2" (40 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| 2" (50 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| 3" (80 mm) | 150 | 0.25" (6.35 mm) | 1.5" (38.1 mm) |
| Element | Content (%) |
|---|---|
| Carbon, C | 0.08 – 0.12 |
| Silicon, Si | 0.10 – 0.50 |
| Manganese, Mn | 0.30 – 0.60 |
| Phosphorous, P | max 0.020 |
| Sulfur, S | max 0.010 |
| Nickel, Ni | max 0.40 |
| Chromium, Cr | 8.0 – 9.5 |
| Molybdenum, Mo | 0.85 – 1.05 |
| Vanadium, V | 0.18 – 0.25 |
| Niobium, Nb | 0.06 – 0.10 |
| Nitrogen, N | 0.030 – 0.070 |
All values in weight %. Source: ASTM A182 / ASME SA182 Grade F91
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (0.2% Offset) | 415 | MPa | ASTM A182 |
| Tensile Strength | 585 | MPa | ASTM A182 |
| Elongation in 2 inches | 20 | % | ASTM A182 |
| Hardness (HRB) | 80 | HRB | ASTM A182 |
| Impact Toughness (Charpy V-Notch) | 50 | J | ASTM A182 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.8 g/cm³ | 0.282 lb/in³ |
| Melting Point | 1425 - 1540 °C | 2600 - 2800 °F |
| Specific Heat | 0.49 J/g·K | 0.12 BTU/lb·°F |
| Thermal Conductivity | 25.5 W/m·K | 176 BTU·in/h·ft²·°F |
| Electrical Resistivity | 0.0001 Ω·m | 0.0001 Ω·in |
| 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 | 1.4903 | 1.4903 | BS 1501-224-490A |
At Ferro Fittings and Alloys, we prioritize the quality of our raw materials. All materials used for ASTM A182 F91 flanges are sourced from certified suppliers and undergo rigorous inspection processes. We conduct Positive Material Identification (PMI) to verify the chemical composition, ensuring compliance with ASTM A182 specifications. Our inspection team is trained to detect any inconsistencies, guaranteeing that only top-grade materials are utilized in production.
The forming and fabrication of ASTM A182 F91 flanges involve advanced techniques such as forging, machining, and welding. Our skilled technicians utilize CNC machines for precision machining, ensuring that all dimensions adhere to the ASTM A182 standards. Typical flange dimensions range from 1/2" to 24" in diameter, with pressure ratings up to Class 2500. We focus on maintaining tight tolerances as per ASME B16.5, which enhances the fit and performance of the flanges in various applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Annealing | 760-790 | Air | To relieve stress and improve ductility |
| Quenching | 1050 | Water | To harden the material and enhance strength |
Quality is paramount at Ferro Fittings and Alloys. Every batch of ASTM A182 F91 flanges undergoes extensive quality inspection and testing, including Hardness testing, Hydrostatic testing, and Radiography. We provide Material Test Certificates (MTC) as per EN 10204 3.1 / 3.2, ensuring complete transparency and compliance with international standards. Our commitment to quality is reflected in our ISO 9001:2015 certification, affirming our dedication to manufacturing excellence. Contact us for a quick quote or to request a free sample MTC.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| F91 | DN 50 (2") | $4.50 | ₹370 |
| F91 | DN 100 (4") | $4.20 | ₹345 |
| F91 | DN 150 (6") | $4.00 | ₹330 |
| F91 | DN 300 (12") | $3.80 | ₹310 |
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 from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports ASTM A182 F91 Flanges Exporter 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.
📍 Address: 6th Kumbharwada, Shop No. 154, Near Alankar Cinemas, Mumbai 400 004
📞 Mr. Aashit Shah: +91 86524 99959
📞 Mr. Bhavin Shah: +91 86550 39959
📧 Sales: export@ferrofittings.com
📧 Export: export@ferrofittings.com
📧 Gmail: inquiry@ferrofittings.com
