Weld Heat Treatment articles & resources on Made-in-China.com

Charpy Absorbed Energy on The One Hand Weld Pipe Weld Material Is a Measure of Toughness

Dec 23, 2013

Used in oil and gas transmission pipe, often referred toughness is the Charpy V-notch impact energy test, or sample the plastic fracture morphology percentage share of the entire sample to measure the fracture area. Charpy absorbed energy ...

Tags: Manufacturing, Processing Machinery

Welded Steel Compressive Corrosion Can Occur in a Specific Environment

Dec 16, 2013

Welded steel compressive corrosion can occur only in a specific environment, it also has the following characteristics: firstly, the presence of only the stress (tensile stress in particular) is to stress corrosion cracking. This stress can ...

Tags: Weld Heat Treatment, Welded steel

The Introduce of Thermal Expansion Pipe

Oct 9, 2013

Thermal expansion pipe is divided into seamless steel pipe and hot expanded seamless pipe, ERW high frequency by the former straight seam welded steel pipe hot expanding processing, the weld heat treatment at intermediate frequency weld ...

Tags: Pipe Welds, Machinery

The Introduce of ERW Steel Pipe

Sep 12, 2013

ERW steel pipe welding process is the use of high-frequency current generated by the skin effect of the principle of the edge of the hot-rolled coil, which is heated to a molten state and then by mechanical extrusion welding. Through this ...

Tags: ERW Steel Pipe, ERW pipe

Heat Treatment After Welding Is a New Technique to Eliminate The Residual Stress

Aug 14, 2013

Welding residual stress is caused by the welding weldment uneven temperature distribution, thermal expansion and contraction of weld metal and other causes, so along with welding construction inevitably produce residual stress. Eliminate ...

Tags: Heat Treatment

The Introduction of Welded Steel Pipe

Jul 15, 2013

Currently, the project is widely used welding cooling after annealing disposal to eliminate remain stress, and remain stress after welding cooling is an important process of attack, this approach not only a waste of power and simple attack ...

Tags: Welded Steel Pipe, corrosion cracking