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Murad Fasteners, a reputable manufacturer and supplier based in Doha, Qatar, specializes in high-performance Stainless Steel 422 Nuts designed for tough, high-temperature, and high-stress environments. With a commitment to precision machining and rigorous quality control, Murad Fasteners guarantees exceptional dimensional accuracy, dependable threading, and consistent mechanical strength. These nuts are crafted to meet international standards and are extensively supplied to critical industries. Murad Fasteners caters to sectors like oil and gas, power generation, petrochemical, and heavy engineering, providing Stainless Steel 422 Nuts that ensure secure fastening, thermal stability, and a long service life even in harsh operating conditions.
The Stainless Steel 422 Nuts are made from a martensitic stainless steel alloy that contains about 11–13% chromium, along with molybdenum and vanadium. This unique blend boosts their high-temperature strength, creep resistance, and oxidation resistance. Their mechanical properties include impressive tensile and yield strength, good hardness post-heat treatment, excellent fatigue resistance, and stability under thermal stress. While they offer moderate corrosion resistance, they maintain their mechanical integrity even under high pressure and elevated temperatures.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
| Material | Specification | Standards | Length | Size |
| 422 Stainless Steel Fasteners | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
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.
These Stainless Steel 422 Nuts find their place in steam and gas turbines, boilers, pressure vessels, and high-temperature flanged joints. They’re commonly used in oil and gas refineries, petrochemical plants, and power stations where heat resistance and strength are crucial. Additionally, these nuts are perfect for heavy machinery and industrial assemblies, ensuring secure fastening, minimizing joint relaxation, and delivering reliable long-term performance in demanding industrial settings.
We ensure comprehensive documentation for our Stainless Steel 422 Nuts, including a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. Our extensive testing certificates for Stainless Steel 422 Nuts include MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Additionally, we provide secure and robust packaging to safeguard the nuts during transit. These meticulous efforts are undertaken to guarantee 100% client satisfaction and ensure the quality and compliance of our Stainless Steel 422 Nuts.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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