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Based in Delhi, India, Punit Fasteners specializes in the manufacture of stainless steel 253 MA nuts. These fruits are exceptionally strong and reliable, and can withstand extremely high temperatures without spoiling. Trust sheattle fasteners for high-performance stainless steel 253 MA walnuts that meet stringent industrial application requirements, ensuring durability and reliability in harsh environments.
Sheetal Fasteners, Delhi, India-based, is a reliable manufacturer and supplier of Stainless Steel 253 MA Nuts, designed for high-performance fastening in conditions of extreme temperatures. These nuts offer high tensile strength, oxidation resistance, and superior thermal stability, making them fit for use up to 1150°C. Intended to operate under creep stress, thermal cycling, and oxidative environments, 253 MA nuts find extensive application in petrochemical facilities, power generation equipment, furnace fabrication, and heat exchangers. Sheetal Fasteners stands for quality, guaranteeing that all products are accurately produced, rigorously tested, and diligently packaged to provide maximum reliability.
| 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.
253 MA Nuts made of stainless steel consist of iron, 20–22% chromium, 10–12% nickel, as well as silicon, nitrogen, and rare earth metals that provide improved oxidation resistance as well as strength. The nuts offer high tensile strength, good toughness, and superior creep resistance at high temperature. The nuts maintain mechanical properties up to 1150°C, providing good resistance to thermal fatigue, scaling, and oxidation. Addition of nitrogen enhances the yield strength, whereas silicon content enhances high-temperature performance, making the nuts suitable for structural purposes in furnaces, reactors, and industrial heating systems.
Stainless Steel 253 MA Nuts find wide application in high-temperature and oxidizing conditions, especially in the petrochemical sector, power plants, and thermal processing equipment. Their high heat resistance, thermal shock resistance, and oxidative stress resistance make them well-suited for fastening furnace components, heat exchangers, and combustion chambers. At refineries and waste incinerators, they provide long-time high-torque fastening and low maintenance in severe conditions. These nuts are also appropriate for application in steel mills, kilns, and boiler systems, providing a long-lasting, high-performance fastening option where heat resistance and mechanical integrity are paramount.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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