Khawla Flanges, a trusted manufacturer and supplier based in Muscat, OMAN, specializes in providing high-quality Alloy Steel Flanges for a wide range of industrial applications. Known for their exceptional strength, durability, and resistance to high-temperature environments, our alloy steel flanges are designed to meet the rigorous demands of industries such as oil and gas, power generation, and petrochemicals. We offer customized solutions to ensure precise fit and reliable performance in even the most challenging conditions.
Alloy Steel Flanges are composed of a blend of carbon steel with various alloying elements such as chromium, molybdenum, nickel, and vanadium. This composition enhances their strength, hardness, and resistance to corrosion and heat. Mechanically, they offer high tensile strength (typically 620–850 MPa), yield strength (up to 450 MPa), and excellent fatigue resistance. The advantages of alloy steel flanges include improved wear resistance, high-temperature stability, and superior toughness, making them ideal for use in demanding industries like petrochemical, oil and gas, power generation, and heavy manufacturing.
| ASTM A182 Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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| ASME SA182m Alloy Steel SORF Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Alloy Steel ASTM A182 Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Alloy Steel Flange Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Alloy Steel FlangeJIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Alloy Steel FlangeUNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| ASTM A182 FlangeEN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Most common types of ASME SA182m Alloy Steel Flange | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ASTM A182 Flange Production technique |
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| ASTM A182 Alloy Steel Flange Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| ASTM A182 Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 Alloy Steel Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Alloy Steel ASTM A182 Flange Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of Alloy Steel Flange | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. : -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
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| Alloy Steel Flange Uses & application |
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| Alloy Steel ASTM A182 Flange Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A182 F5 | ≤0.15 | ≤0.6 | ≤0.5 | ≤0.04 | ≤0.03 | 4-6 | 0.44-0.65 |
| A182 F9 | ≤0.15 | ≤0.6 | 1.00 | ≤0.03 | ≤0.03 | 8-10 | 0.90-1.10 |
| A182 F11 | 0.05-0.2 | 0.3-0.8 | 0.5-1 | ≤0.030 | ≤0.030 | 1-1.5 | 1-1.5 |
| A182 F22 | 0.05-0.15 | 0.3-0.6 | ≤0.5 | ≤0.04 | ≤0.04 | 2-2.5 | 0.87-1.13 |
| A182 F91 | 0.05-0.15 | 0.3-0.6 | ≤0.5 | ≤0.04 | ≤0.04 | 2-2.5 | 0.87-1.13 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F5 | 415 – 585 | ≥205 | ≥20 |
| A182 F9 | 380 min | 585 min | ≥30 |
| A182 F11 | 415 – 585 | ≥205 | ≥20 |
| A182 F22 | 415-585 | ≥205 | ≥20 |
| A182 F91 | ≥590 | ≥415 | ≥20 |
Khawla Flanges, a leading supplier in Muscat, OMAN, offers an extensive selection of Alloy Steel 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.
Alloy Steel Flanges are widely used in industries that require high strength, corrosion resistance, and performance in extreme temperatures. Common applications include the oil and gas industry, power generation, petrochemicals, and chemical processing plants. These flanges are ideal for use in high-pressure pipelines, pressure vessels, and equipment that must withstand high temperatures and harsh conditions. Alloy steel flanges ensure secure, leak-proof connections in critical infrastructure such as boilers, heat exchangers, valves, and flanged joints, offering long-lasting durability and reliable performance in demanding environments.
Yes, we offer custom sizes for Alloy Steel Flanges to meet specific project needs. Our team at Khawla Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khawlaflanges.com.
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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