Braxton Fittings is a trusted manufacturer and supplier of premium-quality Stainless Steel 17-4 PH Pipe Fittings in Midland, UK. Renowned for their durability, corrosion resistance, and excellent mechanical properties, these fittings are ideal for a wide range of industrial applications, including chemical processing, aerospace, and marine environments. With a commitment to precision engineering and customer satisfaction, we deliver products that meet the highest industry standards. Choose us for reliable, high-performance solutions tailored to your project needs.
| Specification | ASTM A403 / ASME SA403 |
| Standard | EN, ISO, DIN, JIS, NPT |
| Dimension Standard | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Type | Seamless / Welded / Fabricated |
| Pressure-Temperature Class | 150LB, 300LB, 600LB, 1500LB, 2500LB. |
| Schedule | Schedule 5 TO Schedule XXS. |
| Type Of Dimension | BS1640, EN 10253 – 4, DIN 2605, JIS B2312, ANSI B16.9, MSS SP-75, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2313 |
Stainless Steel 17-4 PH Pipe Fittings are composed primarily of iron, with approximately 15-17.5% chromium, 3-5% nickel, 3-5% copper, and trace elements like manganese, silicon, and carbon. This precipitation-hardened alloy offers exceptional strength and corrosion resistance. It has a tensile strength of 930 MPa (H1025 condition), yield strength of 725 MPa, and excellent hardness up to 38 HRC. Its superior mechanical properties, combined with robust chemical resistance, make it suitable for high-stress applications in industries such as aerospace, petrochemical, and marine.
| Grade | C | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 17-4 PH | 0.07 max | 0.15-0.45 | 15.00-17.50 | 3.00-5.00 | Bal | 1.0 max | 3.0-5.0 | 0.40 max | 0.03 max | 1.0 max |
| Grade | Tensile Strength ksi (MPa) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Rockwell) MAX |
| SS 17-4 PH | 170000 psi | 140000 psi | 6% | 38 |
Braxton Fittings one of the largest suppliers of Stainless Steel 17-4 PH Pipe Fittings in Midland, UK. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 17-4 PH is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 17-4 PH Pipe Fittings in the UK.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 17-4 PH Pipe Fittings from Braxton Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Stainless Steel 17-4 PH Pipe Fittings offer numerous advantages, including excellent corrosion resistance, even in harsh environments such as marine and chemical industries. Their high strength-to-weight ratio and superior mechanical properties ensure durability and reliability under high-pressure and high-temperature conditions. These fittings are easy to machine and weld, providing versatility in various applications. The alloy’s precipitation-hardening capability allows for adjustable strength levels through heat treatment, enhancing its adaptability. Additionally, they exhibit minimal distortion during heat processing, making them an ideal choice for precision-demanding applications like aerospace and petrochemical industries.
Yes, custom sizes are available for Stainless Steel 17-4 PH Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@braxtonfittings.co.uk.
| STANDARD | WERKSTOFF NR. | UNS |
| SS 17-4 PH | 1.4542 | S17400 |
SS 17-4 PH Pipe Fittings are widely used across various industries due to their exceptional strength and corrosion resistance. In the aerospace sector, they are employed in high-performance components such as aircraft frames and engine parts. The chemical and petrochemical industries rely on these fittings for handling corrosive substances in pipelines and processing systems. They are also utilized in marine applications, including shipbuilding and offshore platforms, due to their resistance to seawater corrosion. Additionally, these fittings are integral in power generation, food processing, and medical equipment manufacturing.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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