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Mazin Fasteners, a well-respected manufacturer and supplier located in Muscat, Oman, specializes in high-performance Stainless Steel 422 Washers that are perfect for applications where strength and high temperatures are a concern. These washers are crafted using cutting-edge machining techniques and adhere to strict quality control standards, ensuring they deliver exceptional dimensional accuracy, uniform thickness, and a reliable lifespan. Mazin Fasteners caters to various industries, including power generation, oil and gas, petrochemical, and heavy engineering. Renowned for their ability to retain strength even at elevated temperatures, these washers guarantee secure load distribution in challenging industrial settings.
The Stainless Steel 422 Washers 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 mechanical strength after heat treatment. In terms of performance, SS 422 washers boast high tensile strength, good yield strength, and robust resistance to creep and fatigue. They maintain their shape under thermal cycling, offer moderate corrosion resistance, and function reliably in high-temperature service conditions.
Element | min | max |
Carbon, C | 0.20 | 0.25 |
Manganese, Mn | 0.20 | 0.60 |
Silicon, Si | — | 1.0 |
Sulfur, S | — | 0.030 |
Phosphorus, P | — | 0.040 |
Chromium, Cr | 11 | 13.50 |
Tungsten, W | 0.75 | 1.25 |
Nickel, Ni | 0.50 | 1.00 |
Vanadium, V | 0.17 | 0.30 |
Copper, Cu | — | 0.50 |
Iron, Fe | — | *Balance |
|
Property |
Imperial |
Metric |
|
Density |
0.28 lb/in³ |
7.75 g/cc |
|
Tensile Strength |
140 ksi |
965 MPa |
|
Yield Strength at 0.2% Offset |
115 ksi |
793 MPa |
|
Modulus of Elasticity |
190 – 210 GPa |
27557 – 30458 ksi |
|
Poisson’s Ration |
0.27 – 0.30 |
0.27 – 0.30 |
|
Elongation in 4D |
13% |
13% |
|
Reduction of Area |
25% |
25% |
|
Hardness, Rockwell B |
95 max |
95 max |
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 washers are widely utilized in scenarios that demand both high strength and heat resistance. You’ll often find them in steam turbines, gas turbines, boilers, and power plant assemblies, where they help evenly distribute loads and protect joint surfaces. They’re also ideal for petrochemical processing units, refineries, and heavy machinery that face high temperatures and mechanical stress. Thanks to their excellent thermal stability and mechanical reliability, Stainless Steel 422 Washers are a top choice for critical industrial fastening applications.
We are committed to maintaining the highest standards for our Stainless Steel 422 Washers. Our documentation includes commercial invoices, packaging documents, heat treatment plans, and quality control programs. We offer various test certifications such as MTCs by EN 10204/3.1b, PMI test certificates, and 100% radiography test reports. Third party inspection certification further ensures our unique quality and customer satisfaction.
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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