Veer Flanges stands out as a leading manufacturer and supplier of Stainless Steel 17-7 PH Flanges in Kolkata, India. They’re well-regarded for producing flanges that boast high strength, impressive corrosion resistance, and remarkable mechanical properties. The 17-7 PH alloy is a precipitation-hardened stainless steel that uniquely combines strength, hardness, and resistance to corrosion. These flanges are crafted in line with ASTM A564, ASME B16.5, and other international standards to guarantee top-notch quality and precision. You’ll find SS 17-7 PH flanges in various sectors, including aerospace, chemical processing, marine, nuclear, and high-pressure systems, where reliability under mechanical and corrosive stress is crucial.
Stainless Steel 17-7 PH Flanges generally consist of 17% chromium, 7% nickel, and a touch of aluminum (0.75%), which allows for precipitation hardening. After undergoing heat treatment, these flanges can achieve a tensile strength of up to 1300 MPa and a yield strength exceeding 1000 MPa, along with excellent fatigue and stress corrosion resistance. The alloy retains high strength and hardness even at temperatures up to 600°F (315°C). Additionally, 17-7 PH offers good formability, machinability, and oxidation resistance, making it perfect for demanding applications that require a blend of high mechanical strength and moderate corrosion resistance.
| C | Mn | P | S | Si | Cr | Ni | Al |
|---|---|---|---|---|---|---|---|
| 0.09 max | 1 max | 0.50 max | 0.05 max | 0.03 max | 1.0 max | 16.0 – 18.0 | 6.75 – 7.75 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| SS 17-7PH | 0.2820 lb/in³ | 2560-2625°F (1404-1440°C) | 130,000 psi | 40,000 psi | 35 % |
Veer Flanges, a leading supplier in Kolkata, India, offers an extensive selection of Stainless Steel 17-7 PH flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| SS 17-7PH | 1.4568 | S17700 |
Stainless Steel 17-7 PH Flanges find extensive use in aerospace structures, pressure vessels, chemical processing plants, heat exchangers, nuclear reactors, and marine equipment, thanks to their impressive strength-to-weight ratio and outstanding corrosion resistance. They’re also well-suited for spring applications, bellows, actuators, and valves, particularly in high-stress environments. In industries such as oil & gas, power generation, and defense, 17-7 PH flanges are favored for their exceptional mechanical properties under both static and dynamic loads. Their ability to maintain hardness after heat treatment makes them ideal for precision systems, where tight tolerances are essential.
Yes, we offer custom sizes for Stainless Steel 17-7 PH flanges to meet specific project needs. Our team at Veer Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@veerflanges.co.in.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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