Nestled in the heart of Manama, Bahrain, Niazi Stainless stands as a trusted partner in the metals industry, renowned for its expertise and reliability. We take pride in supplying high-grade Stainless Steel 17-7 PH Bars, a material chosen by engineers and fabricators who demand exceptional performance. Our commitment is to provide not just a product, but a reliable solution that empowers your most ambitious projects, ensuring durability and precision from our facility directly to your manufacturing floor.
The 17-7 PH grade is a remarkable precipitation-hardening chromium-nickel steel. Its composition includes roughly 17% chromium and 7% nickel, which gives it a key advantage: it can be heat-treated to achieve exceptionally high tensile strength and good mechanical properties at elevated temperatures. This means that after a relatively low-temperature aging process, these bars gain a significant boost in strength while maintaining useful toughness and excellent corrosion resistance.
| 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 |
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We ensures the highest quality for its stainless steel 17-7 pH bars through rigorous testing and certification. Each product undergoes a thorough evaluation, including tensile strength, corrosion resistance and hardness testing. Our breweries are certified by renowned industry standards, ensuring high performance and reliability in challenging applications.
17-7 PH round bars offer high strength and excellent fatigue resistance, ideal for aerospace, automotive, and industrial applications, providing durability and reliability in demanding conditions.
17-7 PH flat bars are known for their superior strength and fatigue resistance, suitable for aerospace and industrial components, offering excellent performance under high stress and temperature conditions.
17-7 PH square bars deliver high strength and stability, ideal for aerospace, automotive, and industrial applications, ensuring durability and performance in environments requiring resilience and reliability.
17-7 PH rectangular bars provide robust strength and fatigue resistance, used in aerospace and industrial applications where high performance and durability are essential, even under extreme conditions.
17-7 PH hexagonal bars offer excellent strength and fatigue resistance, perfect for aerospace and industrial uses, ensuring reliable performance and durability in high-stress and temperature environments.
17-7 PH T-bars provide high strength and corrosion resistance, suitable for structural support and critical aerospace components, ensuring durability and performance under challenging conditions.
This unique combination makes 17-7 PH bars ideal for applications where high strength-to-weight ratio is critical, especially in challenging environments. You will often find them in aerospace components like aircraft fittings and gears, as well as in critical chemical industry parts, pressure vessels, and even certain surgical instruments. Their ability to be heat-treated after fabrication allows for complex machining of tough, resilient parts that must perform reliably under stress and exposure.
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