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Hamad Fasteners is a leading manufacturer, supplier and exporter based in Riyadh, Saudi Arabia, specializing in high-quality stainless steel 347H washers. We are dedicated to maintaining strict industry standards in durability and reliability throughout our manufacturing and packaging processes. Our range of sizes is designed to meet diverse application needs across various industries, ensuring compatibility and efficiency. We are committed to providing reliable solutions for all your fastening requirements, making us a preferred partner in the region.
Hamad Fasteners is a reliable distributor of Riyadh’s Stainless Steel 347H Washers in Saudi Arabia, providing high-quality fastening solutions for high-temperature and corrosive applications. Made with iron, chromium, nickel, and columbium (niobium), Stainless Steel 347H Washers demonstrate superior resistance to intergranular corrosion up to 900°C. With higher tensile strength, creep resistance, and thermal stability, Stainless Steel 347H Washers ensure dependable performance in challenging applications. Their capacity to withstand maximum conditions of durability, structural integrity, and corrosion resistance makes them an essential selection for the chemical, aerospace, oil & gas, and power generation sectors, where precision and dependability are not negotiable.
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 8xC – 1.10 | 9.00 – 13.00 | 63.72 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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SS 347H Washer Specifications |
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| Specifications | : | ASTM A193 ASME SA193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | M02 to M33 |
| Size | : | 3 mm to 200 mm |
| Type | : | Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring |
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 347H Washers are stabilized with columbium (niobium), providing improved resistance to carbide precipitation and guaranteeing superior performance in oxidizing as well as elevated-temperature environments. General composition is 17–19% chromium, 9–13% nickel, and 1% niobium, with the rest as iron. They have a tensile strength of 515–750 MPa, yield strength of 205–310 MPa, and elongation of 35%, based on heat treatment. With superb creep strength and oxidation resistance up to 900°C, these washers provide long service life, thermal stability, and low maintenance, even at severe mechanical and environmental stresses.
The superior corrosion and heat resistance of Stainless Steel 347H Washers makes them ideal for severe, high-temperature applications. They are used extensively in chemical plants, oil & gas refineries, power generation plants, and nuclear reactors where sulfide stress cracking and radiation exposure resistance is a must. In the aerospace sector, they ensure safe fastening under severe stress and thermal loads. In addition, they are used in heat exchangers, boilers, exhaust systems, and pressure vessels to provide long-term strength, structural integrity, and operating safety in extremely demanding conditions.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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