Based in Delhi, India, Harshita Stainless is a reputable producer and supplier of high-performance 17-4 PH stainless steel tubing. 17-4 PH tubing is well-known for its remarkable hardness, corrosion resistance, and mechanical strength, making it perfect for demanding industrial applications. In order to meet international standards, Harshita Stainless uses sophisticated technology and stringent quality control procedures when manufacturing this tubing. These tubes are appropriate for high-stress and high-temperature settings and come in a range of sizes and finishes. The company serves sectors such as aerospace, petrochemical, marine, and defense, offering timely delivery, competitive pricing, and customer-focused solutions across India and beyond.
The precipitation-hardened martensitic stainless steel alloy known as Stainless Steel 17-4 PH Tubing is made up of 0.15–0.45% niobium, 3–5% nickel, 3–5% copper, and 15–17.5% chromium. Especially after heat treatment, it provides exceptional strength, hardness, and corrosion resistance. Depending on the heat-treated condition (H900–H1150), the tubing has a yield strength of approximately 1000 MPa and a tensile strength of up to 1170 MPa. It is appropriate for parts that are subjected to high stress, corrosion, and mechanical wear because it is machinable and weldable and retains its dimensional stability throughout processing and operation.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Cb+Ta |
| SS 17-4 PH | 0.07 | 1.0 max | 1.0 max | 0.03 | 3.0 – 5.0 | Bal | 3.0 – 5.0 | 15.0 – 17.5 | 5 X C / 0.45 |
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Testing and certification assure the highest quality of Stainless Steel 17-4 PH Tubing in Harshita Stainless. Comprehensive Inspection for numerous tests-such as mechanical, dimensional, and corrosion resistance. Certified worldwide, the tubing has excellent strength and durability and performance that meets almost every industry requirement.
Stainless Steel 17-4 PH Seamless Tubing offers high strength and moderate corrosion resistance. Available in sizes ranging from 0.25″ to 2″ OD, it is ideal for aerospace and chemical processing applications. Its seamless construction ensures uniformity and integrity under pressure.
Stainless Steel 17-4 PH Welded Tubing provides excellent formability and corrosion resistance. Sizes range from 0.5″ to 4″ OD, suitable for structural and mechanical uses. The welded seams are treated to enhance durability and prevent corrosion
Stainless Steel 17-4 PH Heat Exchanger Tubes are designed for high-temperature environments, offering excellent corrosion resistance. Available in sizes from 0.5″ to 3″ OD, these tubes are crucial for efficient heat transfer in industrial processes. They are often used in power generation and petrochemical industries.
Stainless Steel 17-4 PH Instrumentation Tubing ensures precision and high corrosion resistance. Typically available in sizes from 0.125″ to 1″ OD, it is perfect for sensitive instrumentation and control systems. Its stability under varying pressures makes it ideal for critical applications.
Stainless Steel 17-4 PH Boiler Tubes are built to withstand high pressures and temperatures, with excellent corrosion resistance. Sizes range from 0.5″ to 5″ OD, making them suitable for power plants and industrial boilers. They ensure long-lasting performance under extreme conditions.
Stainless Steel 17-4 PH U-Tubes offer great strength and corrosion resistance, ideal for heat exchangers and condensers. Available in sizes from 0.5″ to 2.5″ OD, these U-shaped tubes facilitate efficient thermal transfer. Their design allows for effective use in compact spaces
Marine hardware, chemical processing equipment, and aerospace components are just a few of the high-performance, corrosion-prone applications for stainless steel 17-4 PH tubing. It is perfect for applications in the oil and gas sector, nuclear reactor components, and hydraulic systems where strength and resistance to stress corrosion cracking are essential. Because of its high fatigue strength and hardness, the tubing is also used in defence systems, paper mills, and food processing equipment. Because of its adaptability, heat treatability, and superior mechanical stability, 17-4 PH tubing is a dependable option for pressure-bearing and structural applications under challenging industrial circumstances.
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