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At Hazlewood Fasteners in Canberra, we engineer fastening solutions that thrive under heat, pressure, and corrosion. Our stainless steel 253 MA nuts are crafted from advanced austenitic stainless steel designed for extreme high-temperature performance. With superior oxidation resistance and exceptional mechanical strength up to 1150°C, these nuts ensure assemblies remain tight and secure even in the most punishing environments. Hazlewood Fasteners’ 253 MA nuts are not just components—they are precision-engineered anchors that deliver unwavering reliability, durability, and stability for industries where thermal stress, corrosion, and mechanical endurance define success.
Stainless steel 253 MA nuts are composed of a balanced mix of 21% chromium, 11% nickel, and controlled additions of nitrogen, silicon, and rare earth elements. This unique alloy provides remarkable oxidation resistance, creep strength, and structural stability at elevated temperatures. 253 MA nuts maintain high tensile strength, ductility, and fatigue resistance under extreme heat and vibration. Their austenitic structure ensures toughness and corrosion resistance in both oxidizing and carburizing environments, making them ideal for high-temperature applications demanding durability, dimensional integrity, and long-lasting performance.
| 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 are widely used in heat exchangers, furnaces, kilns, boilers, and petrochemical plants where mechanical integrity under high temperatures is critical. Their superior oxidation and creep resistance make them ideal for fastening components exposed to thermal cycling and chemical attack. Hazlewood Fasteners’ 253 MA nuts ensure tight, secure assemblies in industrial machinery, power generation equipment, and high-temperature piping systems. Engineered for extreme conditions, they deliver dependable performance, resisting deformation and wear even under intense heat and mechanical stress—making them the trusted choice for engineers who demand strength, reliability, and longevity in high-temperature environments.
Hazlewood fasteners very carefully pack stainless steel 253 MA nuts. Our dedicated team ensures that the walnuts are properly packaged using high quality materials that meet industrial standards. We primarily use eco-friendly wooden boxes, pallets and packaging. This precautionary packaging assures products will remain safe from dirt and dust, preserving their quality during transport and storage Trust Hazlewood fasteners for reliable and well-packaged stainless steel 253 MA nuts.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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