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Situated in the energetic industrial centre of Kolkata, Rinku Fasteners has earned the trust of industries nationwide as a reliable manufacturer and supplier of precision-engineered Stainless Steel 17-4 PH Washers. Serving customers across India, the company blends modern engineering with a warm, customer-focused approach. Each washer is made with care, ensuring strength, corrosion resistance, and consistent performance where it matters most. Rinku Fasteners believes in building long-term relationships, offering solutions that genuinely support its clients’ needs. Their Stainless Steel 17-4 PH Washers reflect both high-quality craftsmanship and a commitment to dependable service.
Stainless Steel 17-4 PH Washers are made from a martensitic, precipitation-hardening stainless steel alloy containing chromium, nickel, and copper, offering an excellent combination of strength and corrosion resistance. Through heat treatment, these washers achieve high tensile and yield strength, along with exceptional hardness and durability. They perform reliably under stress, resist deformation, and maintain dimensional stability in both high-pressure and high-temperature environments. Their balanced mechanical properties—strength, toughness, and fatigue resistance—make them ideal for demanding industrial applications requiring secure and long-lasting load distribution.
| Specifications | ASTM A 193 / ASME SA 193 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Fasteners Length | 3 mm – 200 mm | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 17-4 PH | 0.07 max | 0.15-0.45 | 15.00-17.50 | 3.00-5.00 | Bal | 1.0 max | 3.0-5.0 | 0.40 max | 0.03 max | 1.0 max |
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 17-4 PH Washers are widely used in industries that require strong, corrosion-resistant components capable of handling heavy loads and harsh environments. They are commonly found in aerospace equipment, petrochemical plants, chemical processing systems, and marine engineering applications. Their high strength and stability make them ideal for pumps, valves, structural assemblies, and machinery exposed to vibration or thermal variations. These washers provide dependable load distribution and help maintain secure fastening in critical systems. Engineers trust Stainless Steel 17-4 PH Washers for their durability, ease of integration, and ability to perform consistently in demanding, safety-focused applications.
For transparency and reliability, we ensure that our stainless steel 17-4 pH washers are fully documented. Our documents include marketing documents, packaging documents, fumigation certificates, heat treatment protocols and quality control systems. In addition, each order is carefully packaged to prevent damage during transit. This careful effort ensures that our stainless steel 17-4 pH washers meet the highest industry standards and provide our customers with exceptional quality and performance.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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