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Punit Fasteners is a well-respected manufacturer and supplier of Stainless Steel 17-7 PH Washers, proudly based in Delhi, India. We specialize in providing top-notch fastening components that are designed for high-performance applications. Our Stainless Steel 17-7 PH Washers are crafted from high-quality raw materials and cutting-edge technology, ensuring they offer outstanding strength, corrosion resistance, and precise dimensions. These washers are perfect for critical industries like aerospace, petrochemicals, marine, and power generation. With a strong commitment to quality control and customer satisfaction, Punit Fasteners consistently delivers reliable and durable Stainless Steel 17-7 PH Washers to clients both across India and in international markets.
These washers are primarily made up of chromium (16–18%), nickel (6.5–7.75%), and aluminum (0.75–1.5%), along with some trace elements that enhance their performance. As a precipitation-hardened stainless steel, they offer a fantastic combination of high strength and good corrosion resistance. Their mechanical properties include a tensile strength of up to 1310 MPa, a yield strength of around 1170 MPa, and impressive fatigue resistance. Even in high-temperature environments, these washers maintain their structural integrity and can be heat-treated to boost hardness and strength, making them ideal for demanding structural and mechanical 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.
Stainless Steel 17-7 PH Washers are commonly used in situations that require high strength, excellent fatigue properties, and moderate corrosion resistance. They are frequently found in aerospace components, where they ensure secure load distribution in critical assemblies. Additionally, they are utilized in chemical processing equipment, marine environments, and nuclear facilities due to their stability in high-stress and corrosive conditions. In automotive and industrial machinery, they play a crucial role in maintaining joint integrity under dynamic loads. Their impressive strength-to-weight ratio and dimensional stability make them perfect for precision instruments, defense applications, and high-performance machinery.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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