From the industrial landscape of Manama, Bahrain, Niazi Stainless stands as a trusted source for high-performance materials, specializing in the supply of Stainless Steel 17-4 PH Pipes. This particular alloy is a cornerstone for projects where standard stainless steels fall short, offering a remarkable combination of strength and corrosion resistance. We understand that the integrity of your components is paramount, which is why our 17-4 PH pipes are sourced and supplied to meet the highest standards, ensuring reliability for the most demanding applications across various sectors.
The strength of 17-4 PH stainless steel comes from its precise composition, primarily chromium and nickel, balanced with the addition of copper and niobium. What truly sets it apart is its mechanical performance, which is achieved through a simple heat treatment process. This treatment transforms the material, granting it exceptional tensile strength and impressive hardness that far exceeds that of common austenitic grades. This unique property profile makes the pipes exceptionally resilient against deformation and wear, even under substantial pressure and stress.
| 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.
Industries that operate under extreme conditions rely heavily on the capabilities of 17-4 PH pipes. You will find them playing a critical role in aerospace components, aircraft landing gear, and turbine parts where weight and strength are vital. They are equally essential in oil and gas extraction, handling high-pressure wellhead equipment, and in chemical processing for valves and pump shafts. Their resistance to corrosion also makes them a dependable choice for marine applications and for manufacturing precision instruments and surgical tools, proving their versatility and durability time and again.







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