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MUKAU FASTENERS, a well-respected manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch Stainless Steel 304H Washers that are built for outstanding performance, strength, and resistance to corrosion. These washers are made from high-carbon 304H stainless steel, making them perfect for environments that experience high temperatures and pressures. Known for their impressive toughness, oxidation resistance, and durability, 304H Washers find their place in various industries, including chemical, petrochemical, and power generation. MUKAU FASTENERS is committed to precision engineering and rigorous quality control, ensuring that customers receive reliable 304H Washers that provide exceptional fastening support and long-lasting performance, even in the toughest operational conditions.
Stainless Steel 304H Washers are made up of 18–20% chromium, 8–10.5% nickel, and a carbon content ranging from 0.04–0.10%, which boosts their strength at high temperatures and enhances creep resistance. These washers boast a tensile strength of around 515 MPa and a yield strength of about 205 MPa, delivering impressive mechanical performance under stress. They maintain their structural integrity and resist oxidation up to 870°C, making them perfect for heat-intensive applications. The well-balanced composition of the alloy guarantees durability, toughness, and excellent resistance to corrosion and scaling in high-temperature service scenarios.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
| Grade | Stainless Steel 304, 304H, 304L |
| Specifications | ASTM A193 / ASME SA193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Star Washer, Flat Washer, Lock Washer, Slot Washer, Machine Washer, Sealing Washer, Split Washer, Dome Tooth Washer, Countersunk Washer, Tab Washers, Spherical Washer, Square Washer, Spring Washer, Round Washers, Square Washers |
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 304H Washers are widely utilized in petrochemical plants, refineries, heat exchangers, power generation units, and boilers, thanks to their remarkable resistance to high temperatures and pressures. They excel at securing joints, distributing loads, and minimizing wear in equipment subjected to elevated temperatures. Their resistance to corrosion and oxidation also makes them a great fit for chemical processing, thermal power plants, and structural assemblies. Furthermore, 304H Washers are commonly found in steam piping systems and pressure vessels, showcasing their versatility and reliability in demanding environments.
Our complete testing program for stainless steel 304H washers includes hardness testing, chemical analysis by Spectro analysis, positive material identification (PMI) testing, levelling testing, micro-macro testing, pitting resistance testing, and intergranular corrosion testing. Our commercial invoices, packaging information, certificates of origin, certificates of authenticity, and other documents are required. To further ensure customer satisfaction, we offer third-party inspection certifications, which prove the quality and efficiency of our 304H washers in various applications and demands.
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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