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Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about high-quality Stainless Steel 17-4 PH Washers. These washers are designed to deliver strength, durability, and corrosion resistance, making them perfect for tough industrial applications. Renowned for their impressive hardness and high tensile strength, they stand up to wear and corrosion, making them a go-to choice in the aerospace, chemical, petrochemical, and marine sectors. With cutting-edge technology and strict quality control in place, Pengkumta Fasteners guarantees that their fastening solutions are precise, reliable, and built to last. Committed to customer satisfaction, timely deliveries, and adhering to international standards, the company has built a solid reputation as a trusted global supplier of Stainless Steel 17-4 PH Washers.
These washers are made from a blend of iron, 15–17.5% chromium, 3–5% nickel, and 3–5% copper, with a dash of niobium or tantalum for that extra hardening kick. They boast a tensile strength that ranges from 930 to 1,150 MPa and a yield strength of about 720–1,050 MPa, depending on how they’re heat-treated. Their excellent hardness, toughness, and corrosion resistance make them reliable in various environments, providing mechanical stability and durability for critical fastening tasks in high-stress industrial settings.
| 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 a staple in industries that demand high strength, corrosion resistance, and wear resistance. You’ll find them in aerospace components, chemical and petrochemical plants, and marine equipment that face harsh conditions. The power generation and oil & gas sectors also rely on these washers for high-stress machinery and pipelines. Plus, they’re essential in automotive, construction, and industrial equipment, ensuring secure fastening, effective load distribution, and long-lasting durability in challenging operating conditions, all while guaranteeing reliable and safe performance in critical 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.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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