Ronwen Flanges, a top-notch manufacturer and supplier located in Cape Town, South Africa, specializes in premium **Stainless Steel 17-7 PH Flanges** that are built for outstanding strength, corrosion resistance, and performance in tough industrial settings. Crafted from high-quality 17-7 PH stainless steel, these flanges boast impressive mechanical properties, striking a balance between high hardness and good ductility. Ronwen Flanges is committed to precision engineering and follows international standards, making their 17-7 PH flanges perfect for **aerospace, chemical processing, petrochemical, oil & gas, marine, and power generation industries**, where durability, high strength, and resistance to stress corrosion cracking are absolutely essential.
**Stainless Steel 17-7 PH Flanges** mainly consist of **iron, 17% chromium, 7% nickel**, along with trace amounts of **copper and columbium/tantalum**, which contribute to their **precipitation hardening** capabilities. They showcase remarkable **mechanical properties**, featuring a **tensile strength of 1100–1400 MPa**, **yield strength of 950–1200 MPa**, and commendable toughness. These flanges are designed to resist corrosion, oxidation, and stress corrosion cracking in seawater and acidic environments, all while maintaining their structural integrity under high stress and temperature, making them ideal for critical industrial applications.
| 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 % |
Ronwen Flanges, a leading supplier in Cape Town, South Africa, 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 **piping systems, pumps, valves, pressure vessels, and aerospace components** where high strength and corrosion resistance are crucial. They are particularly suited for **offshore platforms, chemical plants, refineries, and marine systems**, ensuring leak-proof connections and dependable performance even under high pressure, temperature, and corrosive conditions. With their unique blend of hardness, toughness, and corrosion resistance, 17-7 PH flanges are the go-to choice for **high-performance and critical industrial applications**.
Yes, we offer custom sizes for Stainless Steel 17-7 PH flanges to meet specific project needs. Our team at Ronwen Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ronwenflanges.co.za.
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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