How to tell whether stainless steel industrial pipes are annealed or not？
Annealing is a heat treatment process for stainless steel industrial welded pipes. Its purpose is to eliminate residual stress, stabilize dimensions, and reduce deformation and crack tendencies. Since it is difficult to tell wheth...
2024-03-12
Classification and Common Specifications and Sizes of Oil Pipes
An oil pipe is a pipeline used to transport oil, gas or other chemicals. It is usually made of carbon steel, alloy steel and other materials, and has the characteristics of high temperature resistance, corrosion resistance and goo...
2024-03-08
Black Annealed Steel Pipe
Black Annealed Steel Pipe is a steel pipe that has been black annealed. Annealing is a heat treatment process in which steel is heated to the appropriate temperature and then slowly cooled to room temperature under controlled cond...
2024-03-08
Patterned steel plate
Patterned steel plate is a decorative steel plate obtained by patterning the surface of the steel plate. This treatment can be accomplished by embossing, etching, laser cutting and other methods to create a surface effect with a u...
2024-03-07
Welded pipe diameter expansion method
Welded pipe diameter expansion is a pressure processing process that uses hydraulic or mechanical means to apply force from the inner wall of the steel pipe to expand the steel pipe outward in the radial direction. The mechanical ...
2024-03-07
The heat treatments for cold drawn seamless steel pipes
Annealing. Refers to the heat treatment process in which metal materials are heated to an appropriate temperature, maintained for a certain period of time, and then slowly cooled. The main annealing processes include recrystalliza...
2024-03-06
