Niazi Stainless, based in the vibrant industrial hub of Manama, Bahrain, stands as a trusted source for high-performance components, specializing in the robust Stainless Steel 17-7 PH flanges. We understand that the integrity of your piping systems is paramount, which is why we provide flanges crafted from this remarkable precipitation-hardening alloy. Our commitment is to deliver not just a product, but a reliable solution engineered to excel in challenging environments where standard stainless steels might fall short, ensuring durability and long-term performance for your critical applications.
The strength of 17-7 PH stems from its precise composition, which includes chromium and nickel for corrosion resistance, along with a key addition of aluminum. This specific formula allows the material to undergo a unique heat treatment process known as precipitation hardening. This treatment transforms the flanges, granting them an exceptional combination of high tensile strength and good ductility. The result is a component that is remarkably strong and resistant to stress, yet retains enough flexibility to withstand demanding operational conditions without compromising.
| SS 17-4PH Flange Standard | ASTM A182 / ASME SA182 |
| SS 17-4 PH Flange Grade | SS 17-4PH / UNS S17400 / WERKSTOFF NR. 1.4542 |
| SS 17-4PH Flange Size Range | 1/2″ TO 48″ (15NB to 1200NB) Custom Sizes |
| SS 17-4 PH Flanges Class | Class 150, Class 900, Class 1200, Class 300, Class 600, Class 1500, Class 2500, / PN6, PN25, PN10, PN16, PN40, PN64, etc. |
| SS 17-4PH Flange Dimension | B16.48, B16.47 A & B, ASME/ANSI B16.5, BS4504, ASME Flanges, DIN Flanges, BS Flanges, ANSI Flanges, EN Flanges, BS 10, EN-1092, DIN, GOST Flange, ANSI/ASME B16.5, 16.47A, 16.47B, 16.36, MSS S44, API605, API7S-15, API7S-43, JISB2220, ISO70051, EN1092, BS1560-3.1, |
| SS 17-4 PH Flanges DIN | DIN 2576, DIN 2632, DIN 2637, DIN 2638, DIN 2636, DIN 2641, DIN 2527, DIN 2635, DIN 2655, DIN 2566, DIN 2629, DIN 2656, DIN 2573, DIN 2633, DIN 2642, DIN 2634, DIN 2631, DIN 2627, DIN 2673, DIN 2628 |
| Types of SS 17-4PH Flanges | Screwed (Threaded) Flanges, Spectacle Blind Flanges, Forged Flanges, Socket-weld Flanges (SWRF), Spacer & Blind Flanges, Ring Type Joint Flanges (RTJ), Plate Flanges, Slip-on Flanges (SORF), Blind Flanges (BLRF), Industrial Flanges, Flat Face Flanges, Raised Face (RF) Flanges, Custom Flanges, Orifice Flanges, Reducing Flanges, Large Diameter Flanges, Drawing Flanges, Lap Joint Flanges (SOLJ), Long weld neck Flanges (LWNRF), Weld neck Flanges (WNRF), etc. |
| Grade | Mn | Si | Cr | Ni | Fe | C | S | P | |
|---|---|---|---|---|---|---|---|---|---|
| 17-7 PH | min. | 1.0 | 1.0 | 15.0 | 3.0 | – | – | – | – |
| max. | 1.0 | 1.0 | 17.5 | 5.0 | 73 | 0.070 | 0.030 | 0.040 | |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.75 g/cm3 | 0.280 lb/in3 |
Contact us to get a quick quote for your requirement.
DIN 1.4542 British Standard 17-7 PH pipe flanges combine high strength and excellent corrosion resistance. Designed for rigorous applications, they ensure secure, reliable connections in high-pressure environments.
Steel 17-7 PH forging facing flanges offer exceptional strength and resistance to high temperatures and corrosion. Perfect for critical applications, they provide robust, reliable connections with precision-engineered surfaces.
ASME B16.5 SS 17-7PH raised face flanges deliver superior strength and corrosion resistance, ensuring reliable performance in demanding conditions. Their raised face design enhances sealing for secure, high-pressure connections.
Each Stainless Steel 17-7 PH Flange is carefully packed with high-quality materials to prevent damage or corrosion during shipping. We prioritize customer satisfaction by ensuring timely delivery through efficient transportation methods. All relevant documentation for the product including certificates and specifications is provided to clients upon delivery to guarantee transparency and compliance with quality standards.
These properties make 17-7 PH flanges ideal for a wide range of demanding sectors. You will find them performing reliably in aerospace applications, within critical chemical processing equipment, and in the high-pressure environments of oil and gas operations. Their ability to maintain strength and resist corrosion at elevated temperatures also makes them a perfect choice for turbine components and various high-stress mechanical systems. Essentially, wherever failure is not an option, these flanges provide the assurance of a secure and lasting connection.
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