Home > Stainless Steel 321 / 321H Washers
Request For Our Latest Prices On Stainless Steel 321 / 321H Washers in Delhi, India!
Punit Fasteners, based in Delhi, India, is a reputable manufacturer and supplier of high-quality stainless steel fasteners, including Stainless Steel 321 and 321H washers. Known for their outstanding resistance to high temperatures and corrosion, these washers are meticulously crafted to meet rigorous industry standards. Punit Fasteners serves a variety of sectors, such as aerospace, chemical processing, and power generation, providing reliable and durable fastening solutions. Their Stainless Steel 321/321H washers offer excellent thermal stability and mechanical strength, making them perfect for critical applications that require long-lasting performance in extreme conditions.
Stainless Steel 321 and 321H are stabilized austenitic stainless steels that contain 17–19% chromium, 9–12% nickel, and titanium to prevent carbide precipitation. The 321H grade has a higher carbon content than 321, which boosts its strength at elevated temperatures. These washers boast tensile strengths between 515 and 620 MPa and yield strengths around 205 MPa. They also feature impressive mechanical properties, including good ductility and hardness, and can maintain stability while resisting intergranular corrosion even after extended exposure to high heat.
| Specifications | ASTM A 193 ASME SA 193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | Wedge Lock Washers, Square Washer, Spring Lock Washer, Self Locking Washer, Sealing Washer, Plain Flat Washer, Ogee Washer, Industrial Washer, Hex Washer, Finishing Washer, Fender Washer, Conical Washer, Countersunk Washer, Square Beveled Washer, Curved Wave Washer, External Tooth Lock Washer, Internal Tooth Lock Washers, Internal Tab Washers, lock washer Fastener, Wedge Lock Washers, Tab Washer, Structural Washers. |
| Grade | AISI | Stainless Steel Bolts Chemical Composition (% maxima unless stated) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||||||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 | ||||
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 | ||||
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 | ||||
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 | ||||
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – | ||||
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – | ||||
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – | ||||
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – | ||||
| Stainless Steel Bolts | Class | Tensile Stress Rm MPa (N/mm2) minimum | Yield Strength Rp 0.2 Mpa (N/mm2) minimum | AL Minimum Elongation | Diameter |
|---|---|---|---|---|---|
| Stainless Steel Bolts | 70 | 700 | 450 | 0.4d | =<M20 |
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 321/321H washers are commonly used in high-temperature applications like exhaust systems, heat exchangers, boilers, and furnace components. Their resistance to thermal fatigue and oxidation makes them ideal for industries such as aerospace, petrochemical, and power generation. Additionally, these washers find applications in chemical processing plants, food processing equipment, and marine environments where durability and corrosion resistance are crucial. Their ability to maintain structural integrity under thermal stress ensures secure fastening in demanding industrial settings, ultimately enhancing equipment reliability and safety.
At Punit Fasteners, we prioritize the safety and quality of our Stainless Steel 321/321H washers when fastening them. Each washer is thoroughly inspected and wrapped in protective packaging to prevent any damage. They are then placed in clearly labeled sturdy boxes with detailed product specifications and quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance washer arrives in perfect condition and ready for immediate use quite.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
©2024 Punit Fasteners All Rights Reserved.
