From the heart of Manama, Bahrain, Niazi Stainless stands as a trusted partner for industry, specializing in the supply of high-performance Stainless Steel 253 MA Fasteners. We understand that in demanding environments, every component counts, which is why we provide a range of bolts, nuts, and studs designed to endure. Our commitment is to deliver not just products, but reliable solutions that uphold the integrity of your most critical projects, ensuring durability where it matters most.
The strength of 253 MA lies in its unique composition, which includes chromium, nickel, and small amounts of cerium. This special blend gives the alloy exceptional resistance to high temperatures and oxidation, far surpassing many conventional grades. Mechanically, these fasteners are incredibly tough, maintaining their strength and resisting creep even under continuous thermal stress. This makes them a robust choice for assemblies that must perform reliably in extreme heat without failing.
| 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 |
Contact us to get a quick quote for your requirement.
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 Niazi Stainless.
You’ll find these exceptional fasteners hard at work in some of the most challenging industrial settings. They are essential in furnace construction, power generation plants, and petrochemical processing equipment where temperatures routinely soar. Their ability to withstand oxidation and corrosion makes them ideal for use in heat exchangers, thermal processing systems, and industrial kilns. Essentially, wherever intense, sustained heat is a factor, 253 MA fasteners provide the secure, long-lasting hold necessary for safe and efficient operations.







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