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Mazin Fasteners, a reputable manufacturer and supplier located in Muscat, Oman, specializes in high-quality Stainless Steel 422 Nuts that are perfect for high-strength and high-temperature fastening needs. These nuts are crafted using cutting-edge production methods and rigorous quality control, ensuring they have precise threading, consistent dimensions, and dependable mechanical performance. Mazin Fasteners caters to various industries, including power generation, petrochemical, oil and gas, and heavy engineering. Renowned for their durability, heat resistance, and long lifespan, these nuts are designed to thrive in tough industrial settings where secure fastening is crucial under high stress and elevated temperatures.
The Stainless Steel 422 Nuts are made from a martensitic stainless steel alloy that contains about 12% chromium, along with molybdenum and tungsten to boost their high-temperature strength. This unique composition allows for impressive hardness and mechanical strength after proper heat treatment. In terms of performance, SS 422 nuts deliver high tensile and yield strength, good creep resistance, and stable operation during thermal cycling. They also offer moderate corrosion resistance, maintain their shape, and perform reliably in high-stress and elevated-temperature conditions.
| 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 are widely utilized in situations that demand secure fastening under intense heat and mechanical loads. You’ll often find them in steam turbines, gas turbines, boilers, and power plant assemblies. They’re also well-suited for petrochemical processing units, refineries, and heavy industrial machinery that face high temperatures and stress. With their outstanding high-temperature strength, durability, and mechanical reliability, these nuts are the go-to choice for critical fastening applications in challenging industrial environments.
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.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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