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Seamless stainless steel pipes are widely used in high pressure, low temperature and corrosion resistant piping systems. Mechanical properties, technological properties and corrosion resistance are three important indexes to measure the quality of steel pipes, and are also important guarantees to e
Seamless steel pipes must be tested for mechanical properties. 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 used in construction. Steel pipes are used t
Before installing the steel pipe, the trench needs to be dug, and the soil dug after the trench has a reasonable stacking place, the excavated earth should be transported to the outside in time, and should not be too close to the trench, there must be two The distance above the meter, so as not to a