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MUKAU FASTENERS, a reliable manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch Stainless Steel 347 Washers that are built to withstand corrosion, heat, and oxidation. These washers are crafted for dependable performance in high-pressure and high-temperature settings. With a focus on precision and using only the finest raw materials, our Stainless Steel 347 Washers promise remarkable durability, dimensional stability, and mechanical strength. MUKAU FASTENERS follows international manufacturing standards, providing these washers to various industries, including petrochemical, aerospace, marine, and power generation, where secure and long-lasting fastening components are essential for critical operations.
Stainless Steel 347 Washers are made from austenitic stainless steel, featuring 17–19% chromium, 9–13% nickel, and niobium (columbium) to prevent carbide precipitation. This unique composition boosts their resistance to intergranular corrosion and oxidation, even at high temperatures. They boast a tensile strength of 550–750 MPa and a yield strength of around 240 MPa, along with excellent creep resistance. These washers maintain their mechanical properties during cycles of heating and cooling, ensuring outstanding strength, weldability, and stability in harsh, high-temperature, and corrosive environments.
| 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.
Stainless Steel 347 Washers find their place in high-temperature and corrosive settings where exceptional strength and stability are crucial. They are perfect for applications like heat exchangers, boiler equipment, exhaust systems, pressure vessels, and turbine components. Their impressive resistance to intergranular corrosion makes them ideal for use in petrochemical plants, refineries, marine engineering, and power generation facilities. Additionally, they are utilized in aerospace structures, food processing machinery, and chemical processing equipment that require long-lasting durability. MUKAU FASTENERS’ Stainless Steel 347 Washers are designed to meet these demanding needs.
We ensure that our Stainless Steel 347 washers are installed with the utmost care to preserve their quality and performance at Mukau 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.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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