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Puri Fasteners, based in Chennai, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 420 Washers, specifically crafted for tough industrial applications. With a commitment to precision engineering, cutting-edge manufacturing techniques, and rigorous quality control, the company guarantees that every washer meets international standards. Their Stainless Steel 420 Washers are known for their impressive hardness, wear resistance, and decent corrosion resistance, making them perfect for a wide range of mechanical assemblies. Renowned for their reliability, durability, and consistent performance, Puri Fasteners delivers solutions that cater to the diverse needs of various industries. Plus, their timely delivery and customer-centric service further solidify their status as a trustworthy name in the fastener market.
These Stainless Steel 420 Washers are made from a martensitic stainless steel alloy that contains about 12–14% chromium and 0.15–0.40% carbon, along with small amounts of manganese and silicon. This unique blend gives them excellent hardness, moderate corrosion resistance, and strong wear resistance. On the mechanical side, SS 420 Washers boast high tensile strength, outstanding fatigue resistance, and dependable dimensional stability, especially after undergoing heat treatment. Their ability to maintain structural integrity under stress and at moderate temperatures ensures they perform reliably over time. The combination of mechanical strength and wear resistance makes Stainless Steel 420 Washers a go-to choice for demanding industrial and engineering applications.
| 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.
You’ll find Stainless Steel 420 Washers widely used in industries that need durable, wear-resistant, and trustworthy fastening solutions. They’re commonly found in machinery assemblies, pumps, automotive parts, industrial tools, and equipment that face friction or moderate corrosion. These washers also play a crucial role in medical instruments, valve assemblies, chemical processing units, and precision engineering applications where strength and hardness are essential. Their capacity to endure repetitive stress, impact, and moderate temperatures makes them a reliable choice for various demanding environments.
At Puri Fasteners, we ensure the highest quality in the packaging of our Stainless Steel 420 washers. Each washer is thoroughly inspected and individually secured to prevent damage during transport. They are then placed in tightly labeled boxes with product details and detailed quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance washer arrives in prime condition and ready for immediate use.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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