Welcome to Maduka Metals, your trusted partner in Abuja for premium stainless steel solutions. We are proud to specialize in supplying high-performance Stainless Steel 17-7 PH Bars and Rods, providing local industries with the robust materials needed to build stronger, more reliable products right here in Nigeria. Our commitment is to deliver not just metal, but the foundation for innovation and durability across countless projects, backed by our deep understanding of the unique demands of the regional market.
The composition of 17-7 PH stainless steel is a careful balance, primarily chromium and nickel, with a crucial addition of aluminum. This specific mix allows it to be strengthened through a unique heat treatment process. The result is a material that boasts an impressive combination of high strength, good corrosion resistance, and remarkable toughness. It maintains its durability even at elevated temperatures, making it a truly versatile engineering material for demanding situations.
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : 17-7 PH (UNS No. S17700) Round Bars
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our 17-7 PH Round Bars conforms to NACE MR0175/ISO 15156
| Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr | AL |
| SS 17-7 PH | .09 | .04 | 1.0 max | 6.50 – 7.75 | – | Bal | 1.0 max | 0.04 | 16.0 – 18.0 | .75 – 1.50 |
|
Properties |
Metric |
Imperial |
|---|---|---|
|
Tensile strength |
1170 MPa |
170000 psi |
|
Yield strength |
965 MPa |
140000 psi |
|
Modulus of elasticity |
204 GPa |
29600 ksi |
|
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break |
6% |
6% |
|
Hardness, Rockwell C |
38 |
38 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 17-7 PH | – | S17700 |
Stainless Steel 17-7 PH Bars and Rods offer exceptional strength, corrosion resistance, and fatigue resistance. These materials are specifically engineered for high-stress and high-performance applications. With superior mechanical properties and the ability to withstand harsh environments, they are ideal for industries like aerospace, automotive, and chemical processing, ensuring long-lasting performance and reliability.
Yes, Stainless Steel 17-7 PH Bars and Rods can be heat-treated to further enhance their mechanical properties. The material undergoes a precipitation hardening process that allows for precise control of strength and hardness, providing customized material characteristics for specific applications.
Stainless Steel 17-7 PH Bars and Rods are primarily used in industries such as aerospace, automotive, and chemical processing. They are highly sought after for applications requiring high strength, fatigue resistance, and the ability to perform in demanding environments, including structural components, springs, and gears.
You’ll find 17-7 PH bars and rods hard at work in critical components where failure is not an option. They are essential in aerospace for aircraft parts, in chemical plants for valves and shafts, and in the production of high-stress items like springs, fasteners, and surgical instruments. Their reliability also makes them ideal for construction projects and industrial machinery that must withstand constant pressure and exposure, ensuring long-lasting performance and safety in challenging environments.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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