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Ramu Fasteners is a reliable manufacturer and supplier located in Hyderabad, focusing on top-notch Stainless Steel 304H Washers designed for tough industrial applications. The company has built a solid reputation for its dedication to precision manufacturing, consistent quality, and compliance with international standards. With state-of-the-art production facilities and rigorous quality control measures, Ramu Fasteners provides washers that deliver outstanding strength, reliability, and performance even at high temperatures. Catering to sectors like petrochemical, power generation, oil and gas, construction, and heavy engineering, the company guarantees timely deliveries, competitive pricing, and durable fastening solutions that meet a wide range of project needs both locally and globally.
Stainless Steel 304H Washers are crafted from an austenitic stainless steel alloy that has a higher carbon content than the standard 304 grade. This unique composition boosts strength and creep resistance at elevated temperatures while still offering good corrosion resistance. These washers showcase impressive tensile strength, yield strength, and hardness, along with excellent toughness. They maintain mechanical stability under thermal stress and pressure, making them ideal for high-temperature applications. Their dependable mechanical properties ensure long-lasting performance in demanding industrial settings that require heat-resistant fastening components.
| 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 find extensive use in situations involving high temperatures and moderate corrosive environments. They’re commonly found in petrochemical plants, refineries, boilers, heat exchangers, and power generation systems. These washers are also well-suited for pressure vessels, piping assemblies, and industrial equipment that undergo thermal cycling. Their ability to retain strength and structural integrity at elevated temperatures helps secure joints, minimize maintenance, and enhance safety. Industries that require reliable and heat-resistant fastening solutions often prefer Stainless Steel 304H Washers for their performance and durability.
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.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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