Weston Stainless, a Midland, UK-based company, is a leading supplier of high-quality stainless steel products with long-lasting and precision-engineered solutions for a wide range of industries. Stainless Steel 17-7 PH Pipes are produced from a precipitation-hardening chromium-nickel-aluminum alloy with superior strength, corrosion resistance, and high fatigue properties. The pipes come in various shapes, such as round, square, and rectangular, and are suitable for aerospace, marine, chemical, and industrial applications. 17-7 PH grade guarantees better hardness, resistance to wear, and flexibility, so these pipes are highly dependable for harsh environments demanding toughness, durability, and long-term structural integrity.
Stainless Steel 17-7 PH Pipes are made up of 16-18% Chromium, 6.5-7.75% Nickel, 0.75-1.5% Aluminum, 1% Manganese, 1% Silicon, 0.09% Carbon, 0.04% Phosphorus, and 0.03% Sulfur. These pipes are found to possess a tensile strength of 1034 MPa at best, a yield strength of 724 MPa, and 6-10% elongation, thus rendering outstanding mechanical property. Their physical characteristics consist of a density of 7.8 g/cm³, a melting point of around 1400-1450°C, and thermal conductivity of 16.3 W/m·K. Such properties render them suitable for use in high-stress applications needing superior strength, corrosion resistance, and durability.
| 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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Stainless Steel 17-7 PH Pipes are utilized extensively in the aerospace, automotive, chemical processing, and marine sectors because of their high strength, good corrosion resistance, and durability. They are best suited for aircraft parts, pressure vessels, and heat exchangers where toughness and high fatigue resistance are needed. Stainless Steel 17-7 PH Pipes are also utilized in medical devices, food processing, and oil and gas operations because they can operate under extreme conditions. Their high mechanical properties render them appropriate for structural structures, springs, and demanding industrial parts necessitating long service life and stability against hostile conditions.
Exceptional strength, corrosion resistance, and durability. Perfect for demanding industrial applications, they provide reliable performance in extreme conditions and harsh environments.
Outstanding strength and corrosion resistance. Ideal for high-stress applications, they ensure durability and reliable performance in challenging industrial environments and applications.
Superior strength and corrosion resistance. Ideal for precision applications, they ensure reliability and durability in demanding environments, combining high performance with long-lasting quality.
High strength and corrosion resistance, ideal for aerospace and industrial applications. Their spiral weld construction enhances durability and performance in demanding environments.
Superior corrosion resistance and a smooth finish. Ideal for sanitary and high-performance applications, they provide enhanced durability and reliability in demanding environments.
Exceptional strength and corrosion resistance with precision slots. Ideal for structural and filtration applications, they ensure durability and high performance in demanding conditions.
Stainless Steel 17-7 PH Pipes are provided with certificates of test including Mill Test Certificates (MTC) according to EN 10204/3.1, third-party inspection certificates, and material traceability certificates to meet quality requirements. The pipes are packed in wooden crates, bubble wrap, and plastic sheathing to avoid damage in transit. The delivery is made through air transport, sea transport, or road transport, providing secure and on-time shipment of materials to domestic and overseas clients.
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