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Mazin Fasteners is a reliable manufacturer and supplier of Stainless Steel 253 MA Nuts, proudly based in Muscat, Oman. They specialize in providing high-temperature fastening solutions designed for tough service environments. The company adheres to strict quality control measures and international standards to guarantee precision, durability, and consistent performance. With state-of-the-art manufacturing facilities and a skilled technical team, Mazin Fasteners produces nuts that are engineered for oxidation resistance and thermal stability. Their dedication to material traceability, dependable supply, and timely delivery makes them a go-to partner for industries like power generation, petrochemicals, furnaces, and heat processing.
Stainless Steel 253 MA Nuts are crafted from an austenitic stainless steel that’s enriched with chromium and nickel, along with silicon and rare earth elements to boost oxidation resistance. This unique blend ensures remarkable strength retention and resistance to scaling, even at high temperatures. These nuts exhibit impressive tensile and yield strength, high toughness, and excellent creep resistance when exposed to prolonged heat. Their mechanical properties stay stable during thermal cycling, which guarantees dimensional accuracy, reliable clamping force, and a long service life in high-temperature settings.
| Specifications | ASTM A193 ASME SA193 / ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN, ASTM, BS and all International Standards | Nut Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| 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 Nuts find their place in a variety of applications that involve continuous and cyclic high-temperature exposure. You’ll commonly see them in furnaces, kilns, heat exchangers, boilers, burners, and petrochemical processing units. They’re also essential in power generation equipment, exhaust systems, thermal processing plants, and refinery components that face oxidation and carburizing conditions. These nuts are built to perform reliably under extreme heat and mechanical stress. Thanks to their outstanding oxidation resistance and thermal strength, SS 253 MA nuts are ideal for critical applications where performance is non-negotiable.
Stainless Steel 253 MA Nuts find extensive use in petrochemical plants, power generation, marine engineering, and offshore industries. They are perfect for securing flanges, pressure vessels, heat exchangers, and pipelines that are exposed to high-temperature steam, corrosive substances, or harsh environmental conditions. Their unique blend of strength, corrosion resistance, and durability ensures secure fastening, minimizes maintenance requirements, and boosts the safety, reliability, and longevity of vital industrial and marine assemblies.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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