Based in Mumbai, India, Harsh Flanges is a reputable producer and supplier of alloy steel F91 flanges. We are well-known for providing high-end flanges to a variety of domestic and foreign markets. Because of their precise engineering, our alloy steel F91 flanges provide exceptional performance, dependability, and durability in high-pressure and high-temperature environments. To satisfy a range of project requirements, we provide flanges in different sizes, standards, and specifications with a dedication to quality. Harsh Flanges is a preferred partner for industrial flange solutions because of our commitment to upholding strict quality standards, prompt deliveries, and competitive pricing.
Me and Composition
Chromium (8–9.5%), molybdenum (0.85–1.05%), vanadium, carbon, manganese, phosphorus, sulphur, and silicon make up Alloy Steel F91 Flanges, which provide exceptional creep strength and resistance to oxidation. These flanges have a minimum yield strength of 415 MPa, a minimum tensile strength of 585 MPa, and an elongation of roughly 20%. Alloy Steel F91 Flanges are perfect for high-temperature, high-pressure applications because of their exceptional hardness, toughness, and mechanical stability—even at high temperatures. In demanding industrial applications, their chemical makeup guarantees improved durability, resistance to corrosion, and extended service life.
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/2″ (15 NB) to 48″ (1200NB) |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F91 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 380 | 585 | 20 % |
Harsh Flanges, a leading supplier in Mumbai, India, offers an extensive selection of Alloy Steel F91 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Industries that need strong materials that can tolerate high temperatures and pressures frequently use alloy steel F91 flanges. Power plants, refineries, petrochemical plants, oil and gas pipelines, and chemical processing facilities are examples of common applications. They are perfect for boiler parts, superheaters, reheaters, heat exchangers, and high-pressure steam lines. Additionally, because of their exceptional strength and resistance to corrosion, alloy steel F91 flanges are used in the offshore, marine, and aerospace industries. They are essential to maintaining the efficiency and safety of numerous industrial and mechanical systems because of their dependable operation in challenging circumstances.
Yes, we offer custom sizes for Alloy Steel F91 Flanges to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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