Weston Stainless, Midland, UK, is a reliable supplier of stainless steel products of high quality, serving different industrial requirements with precision-engineered solutions. Stainless Steel 17-4 PH Flanges are produced from a precipitation-hardening chromium-nickel-copper alloy, which provides superior strength, corrosion resistance, and hardness. The flanges are available in different shapes such as slip-on, weld neck, blind, socket weld, and threaded flanges, making them suitable for aerospace, marine, chemical, and industrial applications. The 17-4 PH grade offers outstanding mechanical properties, high tensile strength, and superior wear resistance, guaranteeing long-term performance in challenging conditions calling for durability and reliability.
Stainless Steel 17-4 PH Flanges consist of 15-17.5% Chromium, 3-5% Nickel, 3-5% Copper, 0.07% Carbon, 0.15-0.45% Niobium, 1% Manganese, 1% Silicon, 0.04% Phosphorus, and 0.03% Sulfur. They have a tensile strength of up to 1180 MPa, yield strength of 1034 MPa, and elongation of 10-15%, providing them with great mechanical performance. Physically, they possess a density of 7.75 g/cm³, melting at 1400°C and possessing a thermal conductivity of 18 W/m·K. They are suited for applications where high strength, corrosion, and withstanding harsh conditions are needed.
| 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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High strength and corrosion resistance, meeting rigorous performance standards. They ensure reliable, leak-proof connections for demanding industrial applications.
Exceptional durability and strength for high-pressure applications. Designed for critical environments, they offer reliable performance with superior corrosion resistance and precise alignment.
High strength and corrosion resistance for demanding applications. Their raised face design ensures a secure, leak-proof seal, meeting stringent industry standards.
17-4 PH Flanges made of Stainless Steel are extensively applied wherever there is a need for high strength, corrosion resistance, and resistance to durability. In the aerospace industry, they are employed on structural parts, engine components, and landing gear. They are implemented by the chemical and petrochemical industries on pipelines, pressure vessels, and heat exchangers because of their superior resistance to corrosive chemicals. They are also applied in naval uses, power plants, and defense hardware where they need high wear resistance. They are also utilized in food processing, medical devices, and industrial machinery, guaranteeing long-lasting performance under demanding conditions.
Stainless Steel 17-4 PH Flanges are supplied with test certificates like Mill Test Certificates (MTC) in accordance with EN 10204/3.1, third-party inspection certificates, and records of material traceability to satisfy the requirements of the industry. Stainless Steel 17-4 PH Flanges are safely packed with wooden crates, protective plastic coverings, and corrosion-proof coatings to prevent any damage while being transported. Options for delivery are air transport, sea transport, and road transport, thereby guaranteeing safe and timely delivery to domestic as well as overseas customers.
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