Harsh Metalloys is a well-respected manufacturer and supplier of Stainless Steel 17-4 PH Flanges, located in Mumbai, India. This type of steel, known as 17-4 PH, is a precipitation-hardening martensitic stainless steel that boasts impressive strength, hardness, and resistance to corrosion. The flanges are crafted to ensure outstanding mechanical performance and durability, even in moderately to highly corrosive settings. Harsh Metalloys provides a diverse range of 17-4 PH flanges, including weld neck, slip-on, blind, socket weld, and threaded options, all produced in line with international standards like ASTM A564 and ASME B16.5, catering to industries such as aerospace, chemical, marine, and petrochemical.
Stainless Steel 17-4 PH Flanges are made up of roughly 15–17.5% chromium, 3–5% nickel, and 3–5% copper, along with trace amounts of niobium (columbium) and other elements. These flanges can achieve a tensile strength of up to 1100 MPa and a yield strength close to 1000 MPa after heat treatment. They are known for their excellent hardness, toughness, and resistance to corrosion, especially in oxidizing and mildly corrosive environments. Additionally, 17-4 PH flanges are easy to weld and form, making them ideal for critical applications that demand both mechanical strength and resistance to stress corrosion cracking.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 17-4 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 |
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DIN 1.4542 British Standard 17-4 PH pipe flanges combine high strength and corrosion resistance, meeting rigorous performance standards. They ensure reliable, leak-proof connections for demanding industrial applications.
Steel 17-4 PH forging facing flanges provide exceptional durability and strength for high-pressure applications. Designed for critical environments, they offer reliable performance with superior corrosion resistance and precise alignment.
ASME B16.5 SS 17-4 PH raised face flanges deliver high strength and corrosion resistance for demanding applications. Their raised face design ensures a secure, leak-proof seal, meeting stringent industry standards.
Stainless Steel 17-4 PH Flanges are a go-to choice in various industries, including aerospace, chemical processing, marine, power generation, and petrochemicals. Thanks to their impressive strength and resistance to corrosion, they’re perfect for high-pressure piping systems, valves, pumps, and pressure vessels. These flanges are especially favored in the oil and gas sector, nuclear reactors, and any structural applications where durability and the ability to withstand thermal and mechanical stresses are crucial. With 17-4 PH flanges, you can count on reliable performance even in tough environments that involve stress corrosion and thermal cycling, ensuring a long service life and safety in critical industrial operations.
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