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What are the Finished Seamless Steel Pipe Inspection?
The finished seamless steel pipe is sent to the inspection department for product quality inspection, which is an important measure to ensure the quality of the seamless steel pipe. Inspection standar...
What are the Factors arising from Straight inside the Seamless Steel Pipe?
1. The influence of the rolling temperature of the seamless steel pipe: the rolling temperature is high, pressure is small, and the head wear is small, so that the inner straight defects are also redu...
Control of Horizontal Stripes on Cold-rolled Steel
Surface striated defects are important indicators affecting the surface quality of cold-rolled products. It is very difficult to solve the problem of surface ridges in many cold rolling mills in China...
Stainless Steel Tube Tempering
The purpose of tempering stainless steel tube is to transform quenched martensite into tempered martensite, eliminate retained austenite, reduce and eliminate internal stress, obtain high hardness, we...
Storage of Seamless Steel Tubes
The storage of seamless steel tubes requires the selection of suitable sites and warehouses, and usually requires the following conditions:
(1) The site or warehouse where the steel is to be st...
Selection of City Gas Steel Pipe
Steel pipes are the most widely used pipes in urban gas projects. Its main advantages are: high strength, good toughness, large load bearing stress, good impact resistance and tightness, good plastici...
