Walid Stainless, located in Tunis, Tunisia, is a reputable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 17-7 PH fasteners. Renowned for their precision, strength, and reliable performance, Walid Stainless offers dependable fastening solutions tailored for demanding industrial and structural applications. These fasteners are crafted in line with international standards, guaranteeing dimensional accuracy, mechanical strength, and a long lifespan. With a wealth of technical expertise and a strong focus on customer satisfaction, Walid Stainless caters to clients throughout Tunisia and beyond.
Stainless Steel 17-7 PH is a precipitation-hardening stainless steel alloy that features around 17% chromium, 7% nickel, and aluminum as its main strengthening component. This unique blend provides excellent corrosion resistance along with remarkable mechanical strength after heat treatment. The fasteners boast high tensile and yield strength, impressive hardness, and solid fatigue resistance. They maintain stable mechanical properties across a broad temperature range, making them ideal for high-stress and precision fastening tasks.
| 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 |
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Corrosion-resistant and durable, these nuts are commonly used in aerospace and industrial applications. They typically come in sizes ranging from M2 to M48 and can be used with various bolt sizes, providing strong clamping force and resistance to wear.
These stud bolts offer excellent corrosion resistance and high strength. Available in sizes from M6 to M30, they are used for applications requiring precise alignment and robust mechanical properties. The 17-7 PH alloy ensures durability under stress and high temperatures.
Stainless Steel 17-7 PH bolts offer superior corrosion resistance and high tensile strength, making them perfect for demanding environments. Available in sizes from M4 to M36 and various lengths, they are ideal for aerospace and structural applications. Their hardness and resistance ensure reliability and durability in critical applications.
Highly resistant to corrosion, these rods are used in applications where strength and durability are crucial. Sizes range from M6 to M30 with varying lengths. They provide excellent mechanical properties and are suitable for fastening and structural support.
Offering exceptional corrosion resistance, these screws are used in high-stress environments. They are available in sizes from M2 to M20 and are suitable for precision applications. Their high strength and durability make them ideal for aerospace and mechanical assemblies.
These washers provide excellent corrosion resistance and are used to distribute loads evenly. They come in sizes from M2 to M50 and are commonly used with 17-7 PH fasteners to enhance performance in high-stress and high-temperature environments.
All orders for our Stainless Steel 17-7 PH Fasteners are accompanied by essential documentation such as a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. These documents give authenticity and quality superiority of the fasteners and comfort to the customer regarding the use. Besides, we offer different test certificates for our Stainless Steel 17-7 PH Fasteners such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate against our commitment towards the product and customer excellence.
These Stainless Steel 17-7 PH fasteners find their place in industries where strength, reliability, and dimensional stability are crucial. Common applications include components in aerospace and aviation, chemical processing equipment, pressure vessels, mechanical assemblies, and structural systems. They are frequently utilized for bolts, nuts, screws, and washers that endure high loads and cyclic stresses. With an outstanding strength-to-weight ratio and robust performance, 17-7 PH fasteners provide secure, long-lasting fastening solutions in challenging industrial settings.







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