Mitchell Stainless, a trusted manufacturer and supplier in Hamilton, New Zealand, offers premium Stainless Steel 17-4 PH pipes engineered for high-strength, corrosion-resistant, and precision piping applications. 17-4 PH is a precipitation-hardening stainless steel providing excellent tensile strength, hardness, and toughness after heat treatment, making it ideal for chemical, marine, aerospace, and industrial piping systems. Mitchell Stainless ensures each pipe meets strict quality standards, offering precise dimensions, smooth finishes, and consistent mechanical performance. These pipes are designed to deliver reliable, long-lasting performance in systems exposed to stress, corrosion, and demanding operating conditions.
Stainless Steel 17-4 PH pipes are composed primarily of iron, with 15–17% chromium, 3–5% nickel, 3–5% copper, and small amounts of manganese, silicon, and carbon. This composition enables the alloy to achieve high tensile strength, hardness, and corrosion resistance after precipitation hardening. Chromium and nickel ensure oxidation resistance and mechanical stability, while copper enhances hardness and mechanical performance. These pipes maintain structural integrity, durability, and high performance, making them suitable for critical applications in industrial, chemical, and marine environments.
| Specifications | ASTM A312 / ASME SA312 |
| Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Size | 1 / 8″ NB – 24″ NB |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Manufacturing Shapes | Hydraulic, Round, Square, Hex, Honed |
| Manufacturing Techniques | Normalized & as Rolled |
| Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Seamless Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Heat Treatment | Normalized, Normalized & Tempered |
| Packing of Seamless Pipes | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
| Specials | Sizes and Specifications other than above can be on request |
| 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 |
| 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 |
Contact us to get a quick quote for your requirement.
We ensured the high quality standards for Stainless Steel 17-4 PH pipes with strict testing and certification. The pipe is checked with a set of comprehensive tests that include chemical analysis, mechanical property checks, and corrosion resistance assessments. Relevant certificates, like Mill Test Certificates (MTC), accompany the products as well to meet international standards completely.
“High-quality 17-4 PH stainless steel pipes offer exceptional strength, corrosion resistance, and durability. Perfect for demanding industrial applications, they provide reliable performance in extreme conditions and harsh environments.”
“ASTM A312 SS 17-4 PH ERW pipes deliver outstanding strength and corrosion resistance. Ideal for high-stress applications, they ensure durability and reliable performance in challenging industrial environments and applications.”
Stainless Steel 17-4 PH capillary pipes offer superior strength and corrosion resistance. Ideal for precision applications, they ensure reliability and durability in demanding environments, combining high performance with long-lasting quality.
UNS S17400 spiral welded pipes provide exceptional strength and corrosion resistance. Ideal for high-pressure and demanding applications, they offer durability and reliable performance in challenging industrial environments.
17-4 PH SS electropolished pipes offer superior corrosion resistance and a smooth finish. Ideal for sanitary and high-performance applications, they provide enhanced durability and reliability in demanding environments.
SS 17-4 PH slot round pipes feature exceptional strength and corrosion resistance with precision slots. Ideal for structural and filtration applications, they ensure durability and high performance in demanding conditions.
Stainless Steel 17-4 PH pipes are widely used in chemical processing plants, petrochemical industries, marine and offshore piping systems, aerospace applications, and high-pressure industrial systems requiring strength and corrosion resistance. Typical applications include pipelines, process lines, and mechanical assemblies exposed to stress, corrosion, and high-pressure conditions. They are also suitable for maintenance and repair projects demanding durable, high-performance piping solutions. In New Zealand’s industrial and fabrication sectors, 17-4 PH pipes are valued for providing reliable, long-lasting, corrosion-resistant, and structurally sound piping solutions capable of withstanding high-stress, high-pressure, and aggressive environmental conditions.
©2024 Mitchell Stainless All Rights Reserved.
