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Hazlewood Fasteners, based in Canberra, Australia, stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners that meet rigorous global engineering and performance standards. The company has built a reputation for providing precision-engineered fastening solutions across various sectors, including petrochemical, construction, marine, and power generation. One of their standout products, the Stainless Steel 304H Washers, is particularly prized for its remarkable strength, resistance to corrosion, and exceptional performance under high temperatures. Crafted from premium-grade stainless steel using cutting-edge production techniques, these washers guarantee reliable load distribution, joint stability, and a long lifespan even in the toughest industrial and thermal environments.
Stainless Steel 304H Washers are made up of 18–20% chromium, 8–11% nickel, and a higher carbon content (0.04–0.10%) than standard 304. This extra carbon boosts their tensile and creep strength at elevated temperatures. These washers excel in oxidation and corrosion resistance, boasting a tensile strength of around 515 MPa and a yield strength of about 205 MPa. They also maintain good ductility and dimensional stability when faced with thermal stress. SS 304H retains its mechanical integrity and hardness even in high-heat and pressure situations, making it a perfect choice for demanding applications.
| 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 a go-to choice in industries that need materials with exceptional strength and heat resistance. They’re perfect for use in boilers, pressure vessels, heat exchangers, and piping systems that operate at high temperatures. In petrochemical and refinery settings, you’ll find them in flanged connections, thermal processing units, and steam systems. Thanks to their impressive resistance to corrosion and oxidation, they’re also great for marine and power generation applications. Plus, SS 304H Washers play a crucial role in structural assemblies and heavy machinery, ensuring secure fastening, even load distribution, and reliable performance in tough 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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