Ranya Stainless, a top-notch manufacturer and supplier based in Muscat, Oman, specializes in high-quality Stainless Steel 253 MA Fasteners designed for tough industrial settings where high temperatures and corrosive conditions are the norm. These fasteners are celebrated for their outstanding resistance to oxidation, impressive creep strength, and remarkable durability. Crafted with meticulous attention to quality standards, they ensure precise dimensions and a long lifespan. Ranya Stainless’s SS 253 MA Fasteners promise dependable mechanical performance, exceptional stability, and lasting reliability, making them perfect for critical applications in power generation, petrochemical, and chemical processing sectors. Their superior thermal and corrosion resistance makes them a go-to choice for high-performance fastening solutions throughout Oman and the Middle East.
The composition of Stainless Steel 253 MA Fasteners primarily includes iron, chromium, and nickel, with added molybdenum and nitrogen to boost their strength at high temperatures and enhance corrosion resistance. This unique alloy excels in resisting oxidation, scaling, and thermal fatigue. On the mechanical side, SS 253 MA fasteners deliver high tensile and yield strength, remarkable creep resistance, and durability even under prolonged heat exposure. Their toughness, along with stable dimensional performance and resistance to mechanical stress, makes them ideal for securing critical components in extreme thermal and 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 Ranya Stainless.
These Stainless Steel 253 MA Fasteners find extensive use in industries that demand reliable fastening solutions capable of withstanding high temperatures and corrosion. They are commonly utilized in boilers, heat exchangers, superheaters, and high-temperature piping systems. Power plants incorporate them in turbine assemblies, evaporators, and steam generation equipment. The petrochemical and chemical processing industries depend on their stability in oxidizing and high-heat conditions. Additionally, SS 253 MA Fasteners are employed in industrial furnaces, aerospace components, and manufacturing equipment that face extreme thermal and mechanical challenges.
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