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Based in Delhi, India, Punit Fasteners is a reputable manufacturer and supplier of premium 304H stainless steel washers. We offer dependable fastening solutions for high-temperature and high-pressure settings with a strong emphasis on quality, longevity, and client satisfaction. Our SS 304H washers are renowned for their exceptional strength, long service life, and resistance to corrosion. These washers are perfect for use in the petrochemical, power generation, and process industries because they are made to meet international industrial standards. Punit Fasteners guarantees customers in India and around the world timely delivery and consistent quality thanks to its knowledgeable staff and state-of-the-art facilities.
The carbon content of stainless steel 304H, a high-carbon version of 304, ranges from 0.04 to 0.10 percent. About 18–20% chromium and 8–11% nickel make up its composition, which provides increased strength and heat resistance. The mechanical characteristics include good elongation and hardness, a yield strength of at least 290 MPa, and a tensile strength of about 585 MPa. In addition to having outstanding weldability and corrosion resistance, 304H works well in high temperature settings. It is a good material for parts that are subjected to pressure and heat because of its strong structural integrity.
| 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 used in applications requiring high strength, high temperature and corrosion resistance. They are ideal for applications in the chemical industry, power plant, and petrochemical industry where durability and reliability are required. These. These washers are used in heat exchangers, industrial boilers, and air filtration air systems to ensure proper sealing and prevent leaks. Their strength makes them suitable for protecting and stabilizing components in harsh environments, providing long-term performance in complex industrial manufacturing environments.
304H stainless steel Industries that need dependable fastening under extreme heat and mechanical strain frequently use washers. In the chemical, petrochemical, and power generation industries, these washers are crucial components of heat exchangers, boilers, and pressure vessels. They are especially well-suited for high-temperature service applications where long-term structural performance is essential due to their high carbon content. Additionally, flanged joints, heavy-duty machinery, and piping systems—where temperature fluctuations are frequent—use SS 304H washers. In demanding industrial settings, their mechanical strength, corrosion resistance, and thermal stability guarantee dependable performance.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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