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Hamad Fasteners, a well-established Riyadh-based manufacturer and supplier in Saudi Arabia, provides high-performance fastening solutions for challenging industrial applications. Of its specialty products, the Stainless Steel 17-7 PH Washer has been particularly noted for its superior strength, hardness, and resistance to corrosion. Manufactured for critical applications, these washers are best suited for those environments that need long-term reliability under severe stress or variable loads. Hamad Fasteners ensures that every product, including 17-7 PH washers, is produced to international standards and uses precision-engineered, long-lasting fastening components to serve industries like aerospace, petrochemicals, defense, and automotive.
17-7 PH Stainless Steel Washers are produced using a precipitation-hardened stainless steel alloy with around 17% chromium and 7% nickel content with the addition of aluminum. This alloy gives great mechanical performance, with great tensile and yield strength of up to 1250 MPa and approximately 1100 MPa, respectively, following heat treatment. The washers have good corrosion resistance along with great fatigue strength, which can withstand both high-stress and moderately corrosive conditions. The combination of hardness, resistance to deformation, and high strength makes them perfect for precision and load-carrying applications.
| Property | 17-7 PH |
| Density, lb/in3 | 0.282 |
| Modulus of Elasticity, psi | 29 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 8.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.5 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 31.5 |
| Element | 17-7PH |
| Carbon | 0.09 |
| Chromium | 16.0-18.0 |
| Nickel | 6.5-7.7 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Aluminum | 0.75-1.50 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
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.
17-7 PH Stainless Steel Washers are applied in situations requiring high strength, dimensional stability, and resistance to fatigue. Typical industries involve aerospace, defense, petrochemical, and performance automobile industries. They are best suited to be used in valves, springs, structural components, and mechanical fittings that are subjected to high loads or thermal cycles. Their resistance to mechanical stress and corrosion guarantees long-term performance, particularly in dynamic or vibration environments. Their strong performance under pressure renders them a choice of high value for mission-critical and safety-critical components.
To ensure transparency and reliability, we ensure complete documentation for our Stainless Steel 17-7 PH Washers. Our documentation includes commercial invoicing, packaging information, fumigation certificates, heat treatment protocols and quality control programs. Each order is carefully packed to minimize damage during transit, ensuring the safe delivery of our products. These advanced features ensure our stainless steel 17-7 pH washers meet the highest industry standards and deliver exceptional quality and performance.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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