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The Fasteners Mart, Mumbai, India, is a renowned supplier and exporter of high-quality fasteners to industries across the globe. Among our products are Stainless Steel 253 MA Nuts, which are manufactured from Grade 253 MA, a heat-resistant austenitic stainless steel with high strength. These nuts are available in hexagonal, square, and lock types, with great durability in harsh environments. Specifically designed for use in applications that demand higher resistance to high temperatures, oxidation, and corrosion, these nuts are best suited for high-demand industries like power, chemical processing, and aerospace.
Stainless Steel 253 MA Nuts consist of a blend of iron, chromium (20–22%), nickel (10–12%), and rare earth additions of cerium and yttrium. These additions provide resistance to oxidation and high temperatures. The tensile strength is approximately 600 MPa and yield strength is 300 MPa. Their density is 7.9 g/cm³ with a melting point of around 1400°C. These nuts have superior high-temperature oxidation and creep resistance and are capable of being used in harsh environments up to 950°C.
| 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 have extensive applications where there is a need for resistance to corrosion and high temperature. The nuts are predominantly used in petrochemical, power generation, and aerospace industries, where the components are subjected to harsh conditions. They are well suited for applications in heat exchangers, burners, industrial boilers, and furnace parts. Their excellent strength and temperature resistance make them a necessity for mission-critical applications where dependable fastening and long life under severe operating conditions are needed.
At The Fasteners Mart, we take extra care to pack Stainless Steel 253 MA Nuts so they are safe from damage while in transit. With bubble wrap, strong cartons, and wooden crates, we provide safe delivery of the nuts to your doorstep. Special packaging can be provided based on your requirements to ensure all products reach you in pristine condition, on time, and ready for use in your projects at the earliest.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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