At Mitchell Stainless in Hamilton, New Zealand, we supply high-performance stainless steel bars engineered for strength, durability, and precision applications. Our Stainless Steel 17-7 PH Bars are precipitation-hardening stainless steels known for their exceptional mechanical properties, high strength, and good corrosion resistance. These bars are ideal for aerospace, automotive, and high-stress industrial components that demand dimensional stability and reliability. Backed by Mitchell Stainless’ commitment to quality and local expertise, 17-7 PH bars provide customers with robust, high-strength materials suitable for critical applications where both performance and precision are essential.
Stainless Steel 17-7 PH Bars are manufactured from a precipitation-hardening stainless steel alloy containing chromium, nickel, and aluminum. This composition allows the bars to be heat-treated for high tensile and yield strength while retaining excellent corrosion resistance. They offer superior hardness, toughness, and dimensional stability across a wide temperature range. Stainless Steel 17-7 PH maintains consistent mechanical properties even under high stress and cyclic loading, making it ideal for applications requiring high-strength, fatigue-resistant, and reliable performance in demanding environments.
| 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.
Stainless Steel 17-7 PH Bars are commonly used in applications requiring high strength, corrosion resistance, and fatigue performance. Typical uses include aerospace components, springs, fasteners, high-stress shafts, and industrial tooling. They are also suitable for precision engineering, automotive parts, and structural components that experience cyclic loading or high mechanical stress. At Mitchell Stainless, we supply 17-7 PH bars for projects demanding reliable performance, dimensional stability, and durability. Their combination of high strength, corrosion resistance, and fatigue resistance makes them a trusted solution for critical aerospace, automotive, and industrial engineering applications.







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