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Mazin Fasteners, a trusted manufacturer and supplier located in Muscat, Oman, specializes in high-performance Stainless Steel 422 Bolts that are perfect for applications demanding exceptional strength and heat resistance. These bolts are crafted using cutting-edge machining techniques and rigorous quality control measures, ensuring they have precise dimensions, a superb surface finish, and reliable mechanical properties. Mazin Fasteners caters to various industries, including power generation, oil and gas, petrochemical, and heavy engineering. Renowned for their durability, thermal stability, and long service life, these bolts are the go-to choice for challenging fastening tasks that operate under high stress and elevated temperatures.
The Stainless Steel 422 Bolts are made from a martensitic stainless steel alloy that contains around 12% chromium, along with molybdenum and tungsten to boost their high-temperature strength. This unique composition results in impressive hardness and strength after heat treatment, along with good resistance to creep. In terms of mechanics, SS 422 bolts deliver high tensile and yield strength, solid fatigue resistance, and consistent performance even during thermal cycling. They also offer moderate corrosion resistance in both controlled and high-temperature settings.
| 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 % |
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 Bolts are extensively utilized in high-temperature and high-pressure environments where strength and reliability are paramount. You’ll often find them in steam turbines, gas turbines, boiler assemblies, and power plant equipment. They’re also well-suited for petrochemical processing units, refineries, and heavy machinery that face heat and mechanical stress. Thanks to their outstanding high-temperature strength and durability, they are ideal for critical industrial fastening applications.
Our stainless steel 422 bolts go through rigorous quality checks to ensure superior performance. These tests include hardness tests, chemical analysis by Spectro analysis, determination of quality materials by PMI tests, leveling tests, micro-macro tests, pitting resistance tests, fire tests, intergranular corrosion (IGC) tests complete for, with trade invoicing including HS codes and gross weight, box count, label, number of shows and contains a detailed packing list In addition, a certificate of origin from a trade group or accompanied by a diplomatic formalization and a letter of acknowledgement. For customer satisfaction, we also offer a third-party inspection certificate, which proves the quality and reliability of our stainless steel 422 bolts. Safe and durable packaging is used to ensure safe transportation.
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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