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Hamad Fasteners is a reliable manufacturer and supplier of Stainless Steel 253 MA bolts, proudly based in Riyadh, Saudi Arabia. We’re recognized for providing top-notch high-temperature fasteners, catering to essential industries like petrochemicals, power generation, metallurgy, and heat treatment. Our 253 MA bolts are engineered to endure extreme temperatures and harsh oxidizing environments, ensuring exceptional strength and long-lasting stability. Each bolt is crafted to meet international standards such as ASTM and DIN, and goes through strict quality control processes. At Hamad Fasteners, we prioritize reliability, technical excellence, and timely delivery throughout Saudi Arabia and the broader GCC, guaranteeing trustworthy fastening solutions for demanding industrial needs.
Our Stainless Steel 253 MA bolts are made from a special austenitic stainless steel alloy that includes about 21% chromium, 11% nickel, 1.7% silicon, along with small amounts of nitrogen and rare earth metals. This unique blend provides them with outstanding resistance to oxidation, scaling, and creep at temperatures reaching up to 1100°C. These bolts boast high tensile and yield strength, even when subjected to thermal cycling. They are non-magnetic and maintain their structural integrity in both oxidizing and carburizing environments. Our 253 MA bolts comply with ASTM A479 and EN standards, ensuring reliable mechanical performance in extreme heat and corrosive settings.
| 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 |
| 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.
You’ll find Stainless Steel 253 MA bolts in applications where high-temperature strength, oxidation resistance, and structural reliability are crucial. They’re often used in furnace components, heat exchangers, kilns, exhaust systems, and petrochemical facilities. Their ability to retain mechanical integrity under continuous thermal exposure makes them perfect for power plants, incinerators, and high-temperature ducts. Hamad Fasteners provides 253 MA bolts for both static and dynamic assemblies, ensuring secure fastening and long-lasting durability in environments where standard stainless steel bolts might fail or degrade.
Hamad fasteners very carefully pack stainless steel 253 MA bolts. Our dedicated team ensures that bolts are fastened with high quality materials that meet industrial standards. We primarily use eco-friendly wooden boxes, pallets and packaging.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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