Aditya Stainless has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 17-4 PH Bars right here in Kolkata, India. With years of experience and cutting-edge production techniques, we provide a wide array of SS 17-4 PH Bars that are celebrated for their outstanding strength, resistance to corrosion, and impressive mechanical properties. Our products are crafted to meet international standards and are extensively utilized in high-demand industries. Whether it’s aerospace or petrochemicals, we deliver Stainless Steel 17-4 PH Bars that ensure consistent performance and long-lasting durability. Aditya Stainless is your go-to partner for precision-engineered SS 17-4 PH Bars in Kolkata and throughout India.
Stainless Steel 17-4 PH Bars are a type of precipitation-hardening martensitic stainless steel, featuring around 15-17.5% Chromium, 3-5% Nickel, 3-5% Copper, and 0.15-0.45% Niobium (Cb), with the remainder being Iron. They boast remarkable mechanical strength, achieving a tensile strength of 930 MPa, yield strength of 725 MPa, and hardness levels reaching up to 44 HRC after heat treatment. SS 17-4 PH also offers excellent corrosion resistance, comparable to austenitic grades, and retains high strength at temperatures up to 600°F (316°C). These characteristics make it perfect for applications that require both high strength and moderate corrosion resistance.
| Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr | Cb+Ta |
| SS 17-4 PH | 0.07 | 0.04 | 1.0 max | 3.0 – 5.0 | 3.0 – 5.0 | Bal | 1.0 max | 0.03 | 15.0 – 17.5 | 5 X C / 0.45 |
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At Aditya Stainless, all stainless steel 17-4 PH panels have been rigorously tested and quality assured to meet international standards. Our products are certified for durability, tensile strength and corrosion resistance, backed by material test certificates (MTC) and third-party inspections. Trust in our commitment to providing reliable and quality stainless steel solutions.
17-4 PH round bars offer high strength and excellent corrosion resistance, ideal for aerospace, marine, and industrial applications, providing durability and reliability in demanding environments.
17-4 PH flat bars deliver superior strength and corrosion resistance, suitable for structural components, aerospace parts, and industrial equipment, ensuring long-lasting performance under high stress and corrosive conditions.
17-4 PH square bars provide exceptional strength and fatigue resistance, perfect for use in aerospace and industrial applications where high performance and durability are required.
17-4 PH rectangular bars are used in high-stress applications, offering excellent strength and corrosion resistance, ideal for aerospace, chemical processing, and industrial components.
17-4 PH hexagonal bars offer high strength and resistance to corrosion, suitable for making aerospace parts, mechanical components, and industrial fittings, ensuring durability in challenging environments.
17-4 PH T-bars provide exceptional performance in aerospace and industrial applications, delivering high strength and corrosion resistance, ideal for structural support and critical components.
Stainless Steel 17-4 PH Bars are in high demand across various industries that require exceptional strength, toughness, and resistance to corrosion. In Kolkata and beyond, they are commonly used in aerospace components, nuclear reactors, chemical processing equipment, machinery for the food industry, and marine applications. These bars are also essential for crafting shafts, pump parts, gears, valve components, and high-performance tools. Their ability to endure high stress and resist corrosive environments makes them ideal for use in paper mills, the oil and gas sector, and structural applications where reliability and durability are paramount.







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