Veer Flanges stands out as a leading manufacturer and supplier of Stainless Steel 17-4 PH Flanges in Kolkata, India. They specialize in crafting high-strength, corrosion-resistant flanges designed for tough industrial applications. The 17-4 PH (Precipitation Hardening) alloy is a martensitic stainless steel celebrated for its remarkable blend of high tensile strength, corrosion resistance, and hardness. These flanges are produced in accordance with ASTM A564, A705, and ASME standards, guaranteeing precision, reliability, and a long lifespan. You’ll find Stainless Steel 17-4 PH Flanges in various sectors, including aerospace, nuclear, petrochemical, marine, and general engineering, where structural integrity is essential under high stress and corrosive environments.
Stainless Steel 17-4 PH Flanges are made up of approximately 15–17.5% chromium, 3–5% nickel, 3–5% copper, and 0.3% niobium, with the remainder being iron. These flanges can reach impressive tensile strengths ranging from 930 to 1310 MPa, yield strength up to 1180 MPa, and hardness levels of up to 44 HRC after suitable heat treatment (like H900 to H1150). They boast excellent fatigue resistance, good weldability, and moderate corrosion resistance comparable to SS 304. The 17-4 PH alloy is perfect for applications that demand high mechanical strength and hardness, especially post heat treatment and aging.
| Grade | C | Mn | Si | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| SS 17-4PH | 0.07 max | 1.0 max | 1.0 max | .07 max | .03 max | 17.5 – 15.0 | .05 |
| Ultimate Tensile Strength, psi | Yield Strength, psi | Elongation | Rockwell Hardness |
|---|---|---|---|
| 160,000 | 145,000 | 5% | C35 |
Veer Flanges, a leading supplier in Kolkata, India, offers an extensive selection of Stainless Steel 17-4 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 | JIS | AFNOR | EN |
|---|---|---|---|---|---|
| SS 17-4PH | 1.4542 | S17400 | SUS 630 | Z6CNU17-04 | X5CrNiCuNb16.4 |
Stainless Steel 17-4 PH Flanges find extensive use in aerospace components, high-pressure vessels, nuclear reactors, chemical processing units, and marine equipment, where both strength and corrosion resistance are vital. They’re particularly well-suited for pump shafts, valve parts, turbine blades, engine components, and heat exchangers that operate under significant mechanical stress and harsh environments. These flanges also cater to the paper and pulp, petrochemical, and defense industries. With 17-4 PH flanges, you get a cost-effective solution that eliminates the need for over-engineering or excessive wall thickness in applications that require high strength and durability.
Yes, we offer custom sizes for Stainless Steel 17-4 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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