Vinit Stainless, a leading manufacturer and supplier of stainless steel 17-7 PH pipes with headquarters in Chennai, India, is renowned for providing piping solutions that are strong and resistant to corrosion. Our 17-7 PH pipes are expertly designed to satisfy exacting industry requirements, guaranteeing outstanding performance in taxing settings. These pipes are widely used in the marine, chemical processing, and aerospace industries because of their exceptional durability and mechanical qualities. Vinit Stainless is a reputable option for high-end stainless steel piping products in India and abroad because we prioritise quality, prompt delivery, and tailored solutions to satisfy customer needs.
About 17% chromium, 7% nickel, and 0.75–1.5 percent aluminium are present in stainless steel 17-7 PH pipes for precipitation hardening. Depending on heat treatment, this martensitic stainless steel variety has a high tensile strength of up to 965 MPa and a yield strength of about 758 MPa. It maintains strength at high temperatures and has outstanding fatigue and corrosion resistance. The alloy is perfect for high-stress piping applications that need strength and moderate corrosion resistance because it has excellent ductility, toughness, dimensional stability, and weldability.
| Standard | 17-7PH / 1.4568 |
|---|---|
| Size | 1/8” to 48”, Seamless Pipes up to 24” |
| Designation | ASTM A312, ASME SA312, ASTM A269, ASTM A213, ASTM A249, ASTM A270, ASTM A511, ASTM A554, ASTM A778, ASTM A908, ASME SA249 |
| Thickness | 0.4mm up to 30.00 mm, Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH |
| Type | Seamless, Welded, Cold Drawn, Structural, Hot Finished, Extruded, Annealed & Pickled |
| Form | Round, Square, Rectangular |
| Length | Standard 6-6.1 meter length, 20 Ft, Custom Cut Lengths |
| Application | Variety of springs and washers, Chemical processing equipment, Heat exchangers, Power boilers, Superheater tubes, Components used in high-strength/high-temperature conditions. |
| Element | Content (%) |
|---|---|
| Chromium, Cr | 16-18 |
| Nickel, Ni | 6.50 – 7.75 |
| Manganese, Mn | 1 max |
| Silicon, Si | 1 max |
| Aluminum, Al | 0.75 – 1.50 |
| Carbon, C | 0.09 max |
| Phosphorous, P | 0.040 max |
| Sulfur, S | 0.030 max |
| Iron, Fe | Balance |
| 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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High-quality 17-7 PH stainless steel pipes offer exceptional strength, corrosion resistance, and durability. Perfect for demanding industrial applications, they provide reliable performance in extreme conditions and harsh environments.
ASTM A312 SS 17-7 PH ERW pipes deliver outstanding strength and corrosion resistance. Ideal for high-stress applications, they ensure durability and reliable performance in challenging industrial environments and applications.
Stainless Steel 17-7 PH capillary pipes offer superior strength and corrosion resistance. Ideal for precision applications, they ensure reliability and durability in demanding environments, combining high performance with long-lasting quality.
SS 17-7 PH spiral welded pipes offer high strength and corrosion resistance, ideal for aerospace and industrial applications. Their spiral weld construction enhances durability and performance in demanding environments.
17-7 PH SS electropolished pipes offer superior corrosion resistance and a smooth finish. Ideal for sanitary and high-performance applications, they provide enhanced durability and reliability in demanding environments.
SS 17-7 PH slot round pipes feature exceptional strength and corrosion resistance with precision slots. Ideal for structural and filtration applications, they ensure durability and high performance in demanding conditions.
Because of their great strength and resistance to corrosion, stainless steel 17-7 PH pipes are widely used in the nuclear power, chemical processing, marine engineering, and aerospace hydraulic systems industries. They are perfect for uses like heat exchangers, pressure vessels, and structural elements that involve high pressure and cyclic stress. High-performance exhaust systems, robotics, and precision instrumentation can all benefit from the alloy’s dimensional stability and fatigue resistance. 17-7 PH pipes are a popular option for demanding industrial applications and critical infrastructure because of their adaptability and durability, which guarantee dependable service life in harsh conditions.
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