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Based in Delhi, India, Punit Fasteners is a reputable producer and supplier of stainless steel 253 MA fasteners. We are well-known for providing high-performance fastening solutions, and we are experts at creating fasteners that can withstand the rigours of harsh heat and corrosion conditions. Superior strength, resistance to oxidation, and long-term durability in high-temperature environments are all features of our 253 MA Fasteners. We make sure our products meet international standards while serving sectors like heat treatment, power generation, and petrochemicals. Punit Fasteners provides dependable solutions for both domestic and foreign industrial applications thanks to its sophisticated manufacturing capabilities and dedication to quality.
About 20–22% chromium, 10–12% nickel, 0.05–0.1% nitrogen, and silicon and cerium additions for increased oxidation resistance make up the austenitic, heat-resistant alloy known as stainless steel 253 MA. It offers outstanding creep resistance at high temperatures, a yield strength of about 310 MPa, and high tensile strength of up to 600 MPa. At temperatures as high as 1150°C, the alloy exhibits remarkable performance, providing exceptional resistance to oxidation and scaling. Its well-balanced composition guarantees high structural integrity under heat stress and good weldability and machinability.
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 253 Ma fasteners are widely used at high temperatures due to their excellent strength and oxidation resistance. They are ideal for use in petrochemical and power generation industries, furnace components and heat exchangers. These fasteners perform exceptionally well in areas of high thermal stability and oxidation, making them suitable for complex industrial applications where durability and reliability are required.
For high-temperature and high-stress applications in a range of industries, stainless steel 253 MA fasteners are perfect. Common applications in the petrochemical and thermal processing industries include radiant tubes, boilers, kiln linings, heat exchangers, and furnace components. Because of their ability to withstand oxidation and scaling at high temperatures, these fasteners are also utilised in power plants, cement manufacturing facilities, and incineration systems. They are appropriate for structural assemblies in high-heat settings where traditional stainless steels might fail due to their mechanical strength and resistance to corrosion. The 253 MA fasteners from Punit Fasteners provide dependable performance under harsh oxidative and thermal conditions, guaranteeing a long service life and safety.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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