Lecong Stainless, based in Da Nang, Vietnam, has earned a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products designed for advanced engineering needs. One of their standout offerings, the Stainless Steel 17-7 PH Bars, is celebrated for its impressive mechanical strength, resistance to corrosion, and outstanding performance when heat-treated. Crafted with precision technology and rigorous quality control, these bars are perfect for applications that require a high strength-to-weight ratio and stability across a broad temperature range. Lecong Stainless serves various industries, including aerospace, petrochemical, defense, and automotive, providing trustworthy bar stock solutions that align with international standards and meet custom client needs.
Stainless Steel 17-7 PH Bars are made from precipitation-hardened stainless steel alloys, featuring around 17% Chromium, 7% Nickel, and trace amounts of Aluminum. This alloy is recognized for its remarkable strength and hardness post-heat treatment, achieving tensile strength up to 1170 MPa and yield strength around 1035 MPa, depending on the specific condition (like Condition C, TH 1050). These bars excel in fatigue and oxidation resistance while also offering good formability and minimal distortion during heat treatment. Their mechanical and chemical properties make them a reliable choice for load-bearing and high-precision applications 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 find their place in high-performance applications that require exceptional mechanical properties along with resistance to fatigue and corrosion. In the aerospace sector, they are commonly used in structural components, springs, and fasteners thanks to their impressive strength-to-weight ratio. The automotive and defense industries rely on them for drive shafts, gears, and critical hardware. Additionally, in chemical processing and power generation, they are ideal for various applications that demand durability and reliability.
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