Emilio Stainless, based in Manila, Philippines, is a leading manufacturer and supplier of high-quality Stainless Steel 253 MA Fasteners. Known for precision engineering, advanced manufacturing, and strict quality control, these fasteners are designed for demanding applications requiring exceptional high-temperature resistance and durability. SS 253 MA Fasteners are heat-resistant stainless steel components that maintain strength, corrosion resistance, and dimensional stability under extreme conditions. Ideal for industrial, chemical, and power generation environments, Emilio Stainless ensures that each fastener meets rigorous international standards, providing reliable, long-lasting, and high-performance solutions for critical applications in both domestic and global markets.
Stainless Steel 253 MA Fasteners are primarily composed of iron, with 21–23% chromium, 11–13% nickel, 0.4–0.6% molybdenum, and 0.1–0.2% nitrogen, along with trace amounts of manganese and silicon. This austenitic stainless steel offers excellent high-temperature oxidation and corrosion resistance. The fasteners exhibit tensile strength of 600–700 MPa, yield strength around 280–320 MPa, and good elongation. They maintain mechanical integrity, hardness, and dimensional stability under elevated temperatures, making them suitable for demanding industrial applications exposed to heat, steam, and mildly corrosive 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 |
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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 Emilio Stainless.
Stainless Steel 253 MA Fasteners are widely used in industries requiring high-temperature performance, corrosion resistance, and mechanical strength. They are ideal for power generation plants, chemical processing equipment, boilers, heat exchangers, and furnace components. The fasteners are suitable for use in high-stress pipelines, structural assemblies, and thermal processing equipment. With excellent resistance to scaling and oxidation, SS 253 MA fasteners provide long-term reliability and durability in demanding conditions. Emilio Stainless supplies these fasteners in various types, sizes, and finishes, ensuring efficient, cost-effective, and high-performance solutions for critical industrial, chemical, and engineering applications.
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