Kyaw Stainless stands as a trusted manufacturer and supplier right in the heart of Naypyidaw, Myanmar, dedicated to providing robust solutions for demanding industrial applications. We specialize in the production of high-performance Stainless Steel 253 MA fasteners, engineered to excel where ordinary materials fall short. Our commitment is to deliver not just products, but reliability, ensuring that every bolt, nut, and screw meets the rigorous standards required for projects that push the limits of temperature and corrosion resistance.
The exceptional strength of 253 MA stainless steel comes from a carefully balanced composition that includes chromium, nickel, and silicon, with small but crucial additions of cerium. This unique recipe gives the alloy its remarkable resistance to scaling and oxidation at high temperatures. Mechanically, these fasteners are incredibly tough, maintaining their integrity and clamping force even under intense heat and stress, making them far superior to standard grades in challenging environments.
| 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.
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.
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.
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.
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.
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.
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.
Stainless Steel 253 MA Fasteners are used extensively in applications involving high temperature, for example, heat treatment facilities, furnaces, boilers, power generation, and exhaust systems, because of their superior resistance to oxidation and creep. They are critical in petrochemical, cement, and metallurgical processes, where superheat and corrosive conditions necessitate strong and long-lasting fasteners. They are also employed in kiln linings, refractory anchors, and incineration plants to provide structural integrity and long-term performance. They are strong, thermally stable, and resistant to scaling, making them perfect for demanding industrial applications.
You’ll find our 253 MA fasteners are indispensable in sectors where failure is not an option. They are the preferred choice in furnace construction, power generation systems, and chemical processing plants, securely holding components together in extreme heat. Their reliability also makes them ideal for the petrochemical industry, exhaust systems, and any application involving cyclic heating and cooling, ensuring long-term safety and durability where ordinary fasteners would quickly degrade.
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