Mbemba Stainless is a reputable manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch Stainless Steel 17-4 PH Pipes. Crafted from precipitation-hardening martensitic stainless steel, these pipes boast an impressive blend of high strength, exceptional corrosion resistance, and toughness. Mbemba Stainless is committed to precise manufacturing and consistent quality, meeting international standards. Their 17-4 PH pipes are perfect for critical industrial applications, ensuring reliable performance across the chemical, petrochemical, marine, and power generation sectors. Built to endure high pressures and harsh conditions, they promise long-lasting durability and structural integrity.
The Stainless Steel 17-4 PH Pipes mainly consist of iron, chromium, nickel, and copper, along with trace amounts of niobium and other alloying elements. This material can be heat-treated to achieve remarkable tensile strength, typically between 930 and 1,100 MPa, while also offering excellent hardness and good ductility. It stands out for its outstanding resistance to corrosion, oxidation, and wear, making it ideal for high-pressure, high-temperature, and chemically aggressive 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.
These pipes are widely utilized in scenarios that demand both strength and corrosion resistance. You’ll find them in pipelines, heat exchangers, pressure vessels, pumps, and valves within chemical and petrochemical plants, power generation facilities, marine and offshore installations, and even food processing industries. Their unique combination of mechanical strength, durability, and corrosion resistance makes them a go-to choice for high-performance piping systems in critical industrial operations.







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