NEWS

Industry Conference

Exhibition Information

Industry Events

Hot News

Industry News

01/19

2022

Processing Technology for Duplex Stainless Steel Pipes

Processing Technology for Duplex Stainless Steel Pipes

The risers on offshore oil platforms are subjected to prolonged scouring by waves, so they must be made of materials with high strength and excellent resistance to pitting corrosion. Among these materials, duplex stainless steel pipes—possessing both austenitic and ferritic microstructures—offer advantages such as a high pitting-resistance factor, superior mechanical properties, and outstanding resistance to chloride-ion corrosion. As such, they represent an ideal material for use in offshore oil platform risers. Now, let’s take a closer look at the processing techniques for duplex stainless steel pipes!

01/19

2022

Key points of the welding process for duplex stainless steel pipes

Key points of the welding process for duplex stainless steel pipes

Due to the inherent metallurgical characteristics of duplex stainless steel pipes, the choice of welding methods is limited. Both excessively high and excessively low welding heat inputs are undesirable. When the welding heat input is too high, the cooling rate of the weld joint slows down, which promotes the transformation of ferrite in the heat-affected zone and the weld metal into austenite, resulting in an adequate amount of austenite. However, this can easily lead to the growth of ferrite grains, the formation of harmful intermetallic phases, and a reduction in toughness. So, let’s now take a closer look at the key points of the welding process for duplex stainless steel pipes!

01/19

2022

Welding Process Method for Duplex Stainless Steel Pipes

Welding Process Method for Duplex Stainless Steel Pipes

Based on the factory’s many years of experience in welding duplex stainless steel, we have now summarized the following welding techniques for duplex steel. So, let’s take a closer look at the welding processes and operational steps for duplex stainless steel pipes!

01/19

2022

How much do you know about stainless steel square and rectangular tubes?

How much do you know about stainless steel square and rectangular tubes?

Stainless steel square and rectangular tubes are hollow, elongated steel sections. Because their cross-section is square, they are called square tubes. Stainless steel square and rectangular tubes are widely used as pipelines for conveying fluids such as oil, natural gas, water, steam, and other media. They offer lightweight construction while maintaining the same bending and torsional strength as conventional pipes. Consequently, stainless steel square and rectangular tubes are also extensively employed in the manufacture of mechanical components and engineering structures.

01/19

2022

How to Maintain 304 Stainless Steel Rectangular Hollow Sections

How to Maintain 304 Stainless Steel Rectangular Hollow Sections

304 stainless steel square and rectangular tubes are highly sought-after decorative building materials, and 304 stainless steel square and rectangular tubes are among them. These tubes boast excellent manufacturing and processing characteristics as well as good ductility. They are commonly used in kitchen appliances, cookers, electric water heaters, stoves, bathtubs, automotive parts, medical equipment, and more.

< 12 >

Consult now

If you’re interested in our products, please leave your email address, and we’ll get in touch with you as soon as possible. Thank you!

Submit a message