Corrosion-Resistant Nickel Alloy 718 seamless Tubes for Offshore Equipment

Nickel Alloy 718 (UNS N07718) is a precipitation-hardening nickel-chromium alloy with excellent high-temperature strength, creep resistance and excellent resistance to stress corrosion cracking. The alloy contains elements such as molybdenum and niobium (niobium and tantalum), which give it excellent mechanical properties and corrosion resistance, especially at temperatures up to 700°C. Alloy 718 can achieve precise strength control through heat treatment, and has good welding and forming properties, making it a key material choice in the aerospace, nuclear industry and oil and gas fields.

As a seamless tube product, Nickel Alloy 718 Tubes are widely used in the following scenarios: heat exchange systems under high temperature and pressure, aircraft engine components, rocket propulsion devices, nuclear reactor structures, deep-sea oil production systems, and highly corrosive chemical process equipment. Its seamless structure ensures sealing and structural integrity in high-pressure fluid transportation, and is particularly suitable for demanding energy and protection engineering projects.

Factory advantages and features：

1. Huxin Pipe, a highly reliable seamless pipe manufacturer with 36 years of experience in pipe production, is an investment by MTSCO, the seamless tube supplier.

2. Apart from the regular sizes, we have the capability to produce pipe extensions of 18 meters and 25 meters, offering diversified pipe sizes.

3. The production and inspection facilities are well-equipped, encompassing cold rolling mills, annealing furnaces, pickling baths, ultrasonic eddy current integration, and physical and chemical laboratories.

4. A complete quality control process is in place, with full-time MTSCO quality inspectors present on-site before, during, and after production, in addition to factory technicians.

5. Our certifications include ISO/PED/AD2000/M650, ensuring a comprehensive set of complete certifications.

Introduction to Quality Control Inspection Methods：

Raw Material Quality Assurance of 316L Heat Exchanger Tube

Stringent warranty and PMI checks are conducted on our raw materials, procured from esteemed steel mills like Baosteel and Tsingshan, ensuring their superior quality. Compliance with material specifications is guaranteed through rigorous PMI checks and other meticulous inspections.

Supervised Production Process of 316L Heat Exchanger Tube

Every phase of our 316 heat excahnger tube manufacturing process, including cold rolling, cold drawing, annealing, pickling, and surface treatment, undergoes meticulous oversight. Skilled engineers, equipped with advanced tools, supervise each step, capturing detailed records through photography. Process cards ensure precision and traceability throughout production.

Quality Assurance Prior to Shipment of 316L Heat Exchanger Tube

Our dedicated QC team conducts comprehensive inspections covering appearance, PMI, size, quantity, and more. Mechanical, hardness, ultrasonic, eddy current, and hydraulic tests are performed. Additionally, we invite third-party evaluations (SGS, TUV, BV) and guarantee secure packaging and container reinforcement to maintain product integrity during transportation.

Chemical composition：

Physical Property：

Packing of Nickel Alloy 718 seamless Tubes ：