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Mazin Fasteners, a reputable manufacturer and supplier located in Muscat, Oman, specializes in high-quality Stainless Steel 347 Washers that are engineered for exceptional corrosion resistance and outstanding performance in high-temperature industrial settings. These washers are crafted using cutting-edge production methods and rigorous quality control processes, ensuring they have precise dimensions, consistent thickness, and reliable mechanical stability. Mazin Fasteners caters to various industries, including petrochemical, chemical processing, power generation, and marine engineering. Renowned for their durability, thermal stability, and resistance to intergranular corrosion, these washers are perfect for applications that demand secure load distribution and trustworthy fastening, even in extreme temperatures and harsh environments.
The Stainless Steel 347 Washers are made from a stabilized austenitic stainless steel alloy, which contains about 17–19% chromium, 9–13% nickel, and niobium to prevent intergranular corrosion. This specific composition guarantees excellent oxidation and corrosion resistance at high temperatures while still providing good ductility and toughness. On the mechanical side, SS 347 washers boast high tensile and yield strength, solid hardness, and dimensional stability when faced with thermal and mechanical stress. They are designed to resist deformation, fatigue, and scaling, ensuring reliable performance in challenging industrial conditions.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Element | SS 347 |
| Ni | 9.0 – 13.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 17.0 – 19.0 |
| Mo | – |
| N | – |
| Element | SS 347 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
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 347 Washers find extensive use in environments where they are exposed to high temperatures, oxidative atmospheres, and corrosive chemicals. You’ll often see them installed in boilers, heat exchangers, furnaces, and industrial piping systems, where they help evenly distribute loads and protect joint surfaces. They are also ideal for petrochemical plants, power generation facilities, and marine equipment, where long-lasting durability, corrosion resistance, and thermal stability are essential. With their impressive mechanical properties and heat resistance, these washers are the go-to choice for high-temperature and critical industrial fastening applications.
We ensure that our Stainless Steel 347 washers are installed with the utmost care to preserve their quality and performance at Mazin Fasteners. Our packaging solutions use durable materials and safe processes to protect washers from damage during transit. Each item is carefully detailed to facilitate identification and inventory management. Whether for small or large orders, our careful packaging process assures that your stainless steel 347 washers arrive in perfect condition, ready for critical use.
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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