Based in Chennai, India, Vinit Stainless is a reputable producer and supplier of stainless steel 17-4 PH bars. The company specialises in manufacturing high-performance stainless steel products that are tailored to meet exacting industrial standards, and it is dedicated to quality and innovation. Their 17-4 PH bars are renowned for their remarkable strength, ability to withstand corrosion, and ability to harden through heat treatment. Vinit Stainless caters to a wide range of customers in the manufacturing, petrochemical, aerospace, and defence industries. The company is a preferred supplier for precision-engineered stainless steel solutions in India and beyond because it consistently ensures reliability and durability in every product through the use of advanced production techniques and strict quality controls.
Approximately 15–17.5% chromium, 3–5% nickel, 3–5% copper, and trace amounts of niobium and manganese make up the martensitic precipitation-hardening stainless steels known as Stainless Steel 17-4 PH Bars. High strength and hardness are provided by this alloy, particularly after heat treatment. In H900 condition, it has a yield strength of about 1000 MPa and a typical tensile strength of up to 1100 MPa. It also has good toughness and moderate corrosion resistance. 17-4 PH is appropriate for applications needing superior mechanical performance and dimensional stability because it can be hardened with a single low-temperature heat treatment.
| 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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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.
In industries where exceptional mechanical qualities, high strength, and resistance to corrosion are critical, stainless steel 17-4 PH bars are widely utilised. Turbine blades, marine hardware, nuclear reactor parts, and aerospace components are examples of common uses. Because of their dependability and durability, they are also utilised in medical devices, food industry equipment, and chemical processing. The alloy is perfect for high-stress situations because of its capacity to retain mechanical strength at high temperatures. Its versatility is further increased by its ease of machinability and weldability, which makes it a popular option for precision engineering, structural components, and tooling applications.
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