Aditya Stainless stands out as a top manufacturer and supplier of Stainless Steel 253MA Flanges in Kolkata, India. These flanges are crafted for high-temperature and oxidizing environments, ensuring premium quality. Made from SS 253MA (UNS S30815), they boast impressive heat resistance, strength, and structural integrity, even at temperatures soaring up to 1150°C. With a well-balanced mix of chromium, nickel, silicon, and rare earth metals, these flanges promise a long service life in tough industrial settings. They come in various types, including weld neck, slip-on, blind, socket weld, and lap joint, making them perfect for furnaces, refineries, power plants, and thermal processing units.
Stainless Steel 253MA Fasteners are made with approximately 21% chromium, 11% nickel, 1.7% silicon, along with trace amounts of nitrogen and rare earth elements, ensuring exceptional oxidation resistance and thermal strength. They boast a tensile strength of at least 600 MPa, yield strength of at least 310 MPa, and an elongation of around 40%, all while maintaining their structural integrity at temperatures reaching up to 1150°C. These fasteners are resistant to scaling, carburization, and sulfidation, making them ideal for environments with cyclic heating. With excellent creep resistance, weldability, and mechanical durability, 253MA fasteners are a trustworthy choice for high-temperature bolted connections.
| Specifications | ASTM A193 ASME SA193 / ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN, ASTM, BS and all International Standards |
| Bolts Size | 3 mm to 200 mm | Custom Sizes |
| Nut Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Machine Screws Size | M1.6 – M12 | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Fasteners Type | Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw, Pan Head Screw, Socket Head Cap Screw, Wing Screw, T-Head Bolts, Foundation Bolts,Screw, Studs, Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts,Eye Bolt,Structural Bolts, Bolts, Nuts, Sockets, Screws, Allen Cap screw |
| Grade | C | Mn | Si | S | Ce | Ni | Cr | P |
| 253 MA | 0.05 – 0.10 | 0.80 max | 1.40 – 2 | 0.030 max | 0.03 – 0.08 | 10 – 12 | 20 – 22 | 0.040 max |
|
Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
|||
|
600 |
310 |
40 |
95 |
217 |
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Stainless Steel 253 MA nuts offer exceptional corrosion resistance, especially in high-temperature environments. Common sizes range from M6 to M64, with varying dimensions according to industry standards. These nuts are ideal for applications requiring resistance to oxidative and carburizing environments.
Stainless Steel 253 MA stud bolts provide excellent corrosion resistance and high-temperature stability. They are typically available in sizes ranging from M6 to M30 and lengths from 50 mm to 300 mm. They are used in high-stress, high-temperature applications where durability is crucial.
Stainless Steel 253 MA bolts resist corrosion and maintain strength at elevated temperatures. They are commonly available in sizes from M6 to M100, with lengths varying from 20 mm to 200 mm. It is ideal for high-temperature and corrosive environments.
Stainless Steel 253 MA threaded rods offer superior corrosion resistance and high-temperature performance. Standard sizes include diameters from M6 to M30 and lengths up to 1000 mm. Suitable for heavy-duty applications where reliable performance is essential.
Stainless Steel 253 MA screws provide robust corrosion resistance, particularly in harsh environments. Sizes typically range from M4 to M20, with lengths from 10 mm to 150 mm. They are used in applications requiring high-temperature strength and durability.
Stainless Steel 253 MA washers exhibit excellent corrosion resistance and high-temperature endurance. They are generally available in diameters from 6 mm to 100 mm, varying thicknesses according to specific requirements. It is essential for providing a reliable sealing surface and load distribution.
A high-performance fastener designed for use in very high-temperature applications and characterized by excellent oxidation resistance and outstanding strength. These fasteners are tough, dependable, and meet industry standards of performance. Their quality is enhanced through Positive Material Identification testing, timely deliveries, and secure packaging-all in all making them highly suitable for harsh industrial environments at Aditya Stainless.
Stainless Steel 253MA Fasteners find their place in a variety of industries, including petrochemical plants, power stations, cement kilns, steel plants, and heat treatment equipment, where they regularly face elevated temperatures and oxidizing conditions. They are perfect for securing components in furnaces, heat exchangers, flue gas systems, burner assemblies, and combustion chambers. Additionally, these fasteners are utilized in waste incineration plants, boiler systems, and high-temperature ducts, offering remarkable resistance to thermal fatigue and oxidation. With their impressive mechanical strength and thermal stability, 253MA fasteners are a top choice for demanding applications.
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