Lecong Stainless, located in Da Nang, Vietnam, has built a solid reputation as a reliable manufacturer and supplier of high-performance stainless steel products designed for demanding applications. One of their standout offerings is the Stainless Steel 17-7 PH Pipes, known for their impressive strength, corrosion resistance, and thermal stability. These pipes are crafted using cutting-edge technology and carefully controlled heat treatments to ensure they meet international quality standards. Lecong Stainless caters to various industries, including aerospace, petrochemical, defense, and power generation, where dependability and long-lasting performance are essential. With rigorous quality assurance and quick turnaround times, Lecong provides pipe solutions tailored for even the toughest industrial challenges.
Stainless Steel 17-7 PH Pipes are made up of about 17% Chromium, 7% Nickel, 1.1% Aluminum, along with trace amounts of Carbon, Manganese, and Silicon. This precipitation-hardened alloy boasts remarkable mechanical properties, especially after heat treatment (like the TH 1050 condition), achieving tensile strength of up to 1170 MPa and yield strength around 1035 MPa. It retains good ductility, excellent fatigue resistance, and moderate corrosion resistance. These pipes also show minimal distortion during heat treatment, ensuring they maintain dimensional accuracy and stability in high-stress, high-temperature, and chemically aggressive environments.
| 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 |
Contact us to get a quick quote for your requirement.
We tests Stainless Steel 17-7 PH pipes to the utmost extent to assure superior quality and performance. All batches are strictly inspected, and mechanical property tests, corrosion resistance checks, and dimensional accuracy checks are performed on each batch. Pipes are supplied with test certificates that are in compliance with industrial standards.
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.
Stainless Steel 17-7 PH Pipes find their place in high-performance applications that demand outstanding strength, fatigue resistance, and reliability under thermal or mechanical stress. In the aerospace sector, they are utilized in hydraulic systems, exhaust ducts, and structural frames. In defense and automotive industries, they serve as precision tubing for suspension systems and impact-resistant assemblies. In chemical and power plants, they are perfect for transporting fluids, ensuring efficiency and safety in challenging conditions.
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