Acceptance Standard for Internally Threaded Seamless Steel Tubes for High Pressure Boilers
blog1. Surface quality
1). Cracks, folds, folds, scabs, and delaminations are not allowed on the inner and outer surfaces of the internal threaded seamless steel pipes for high-pressure boilers. These defects should be completely removed, and…
Seamless steel pipe wall thickness
blogThe use and classification of seamless steel pipes
Seamless steel pipes are widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames and steel scaffolding…
The basic method of rust removal of high-pressure boiler steel pipes is as follows
blogThe basic method of rust removal of high pressure boiler steel pipe:
(1) Cleaning: Use solvents and emulsions to clean the surface of high-pressure boiler steel pipes to remove oil, grease, dust, lubricants and similar organic substances, but…
Basic knowledge of hot-dip galvanized steel pipe
blogHot-dip galvanized pipe is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide…