Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, specializes in high-quality Stainless Steel 17-4 PH Pipes. These pipes are celebrated for their remarkable blend of strength, corrosion resistance, and durability. Crafted with cutting-edge technology and rigorous quality control, they are built to perform reliably even in high-pressure and corrosive settings. Kyaw Stainless prides itself on precision engineering and compliance with international standards, making its 17-4 PH Pipes perfect for demanding industrial applications. The company caters to vital sectors like petrochemical, aerospace, marine, and power generation, delivering efficient and long-lasting stainless steel piping solutions for critical operations.
Stainless Steel 17-4 PH Pipes are made from a precipitation-hardening martensitic stainless steel alloy that includes about 17% chromium, 4% nickel, along with small amounts of copper and niobium. This unique composition grants them excellent mechanical properties, such as high tensile and yield strength, along with good corrosion resistance across various environments. These pipes maintain impressive strength up to 600°F (315°C) and exhibit superior hardness, toughness, and fatigue resistance after heat treatment.
| 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 |
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Stainless Steel 17-4 PH Pipes find extensive application in aerospace, marine, chemical, and industrial processes because of their high strength, corrosion resistance, and toughness. They find general use in aircraft parts, pressure vessels, heat exchangers, and structural frameworks where toughness and abrasion resistance are essential. They also find applications in the oil and gas industry, food processing, and the manufacture of medical equipment. Their superior mechanical properties qualify them for high-pressure applications, and their precipitation-hardening ability brings long-term performance in stressful conditions demanding reliability and structural integrity.
“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.”
Superior strength and corrosion resistance. Ideal for precision applications, they ensure reliability and durability in demanding environments, combining high performance with long-lasting quality.
Exceptional strength and corrosion resistance. Ideal for high-pressure and demanding applications, they offer durability and reliable performance in challenging industrial environments.
Superior corrosion resistance and a smooth finish. Ideal for sanitary and high-performance applications, they provide enhanced durability and reliability in demanding environments.
Exceptional strength and corrosion resistance with precision slots. Ideal for structural and filtration applications, they ensure durability and high performance in demanding conditions.
These Stainless Steel 17-4 PH Pipes are commonly utilized in applications that demand high strength and corrosion resistance. They are particularly well-suited for chemical processing equipment, marine environments, power plants, and aerospace structures. Additionally, they find their place in oil and gas refineries, the paper and pulp industries, and food processing systems. Their outstanding weldability, machinability, and the ability to be heat-treated to achieve different strength levels make them incredibly versatile. With exceptional performance in both corrosive and high-stress environments, Stainless Steel 17-4 PH Pipes are the go-to choice for critical industrial and structural applications.







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