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Aria Fasteners, based in Hamilton, New Zealand, is a well-respected manufacturer and supplier of high-performance stainless steel fasteners tailored for tough industrial settings. Their Stainless Steel 17-4 PH Washers are meticulously designed to provide outstanding strength, corrosion resistance, and long-lasting durability. Built to comply with stringent industry standards, these washers guarantee secure load distribution and reliable fastening in critical applications. Thanks to cutting-edge production technology and rigorous quality control, Aria Fasteners delivers trustworthy washer solutions for sectors like aerospace, marine, petrochemical, and engineering, ensuring safe, efficient, and durable assemblies across a variety of operating conditions.
The Stainless Steel 17-4 PH Washers are made from a precipitation-hardening alloy that includes iron, 15–17.5% chromium, 3–5% nickel, 3–5% copper, along with small amounts of niobium and manganese. This unique composition provides excellent mechanical strength and resistance to corrosion. After aging treatments, the material can achieve tensile strengths of up to 1,300 MPa and a yield strength around 1,100 MPa, maintaining its stability and hardness even under high-stress situations. Its blend of toughness, dimensional stability, and resistance to environmental degradation makes these washers perfect for applications that demand consistent performance under mechanical and thermal loads.
| 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 complex and demanding applications due to their exceptional strength and durability They are commonly used in aerospace applications such as aircraft and spacecraft, where mechanical high internal performance is critical. In the automotive and industrial machinery industries, these washing machines are valued for their fatigue and stress resistance. In addition, they are used in the chemical industry and marine environment due to their excellent corrosion resistance. Its durability makes it suitable for use at high temperatures and high pressures in a variety of applications.
These washers find their place in industries where reliability and strength are non-negotiable. Their impressive corrosion resistance and mechanical performance make them ideal for aerospace assemblies, marine equipment, chemical processing systems, and power generation components. They’re also commonly used in oil and gas facilities, automotive engineering, and heavy structural applications that require secure load support and resistance to vibrations.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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