20 #精密钢管内外壁甲型肝炎e no oxide layer, bear high pressure, no leakage, high precision, high smoothness, cold bending without deformation, flaring, flattening without cracks, surface anti-rust treatment, widely used in precision steel pipes for hydraulic systems, injection molding Precision steel pipes for machinery, precision steel pipes for hydraulic machines, steel pipes for shipbuilding, EVA foam hydraulic machinery, seamless steel pipes for precision hydraulic cutting machines, shoemaking machinery, hydraulic equipment, high-pressure tubing, hydraulic tubing, compression fittings, steel pipes Joints, rubber machinery, forging machinery, die-casting machinery, construction machinery, high-pressure steel pipes for concrete pump trucks, sanitation vehicles, automotive industry, shipbuilding industry, metal processing, military industry, diesel engines, internal combustion engines, air compressors, construction machinery, agricultural and forestry machinery Etc., it can completely replace the imported 20# precision steel pipe GB3639/T 20# precision steel pipe of the same standard.
20# Precision Steel Pipe Executive Standard Tensile Strength Knowledge Table
Precision steel pipe standard
GB/T3639------Chinese National Standard
Precision steel pipe use
Used in the manufacture of mechanical structures, hydraulic structures, hydraulic and pneumatic cylinders.
Mainly produce precision steel pipe grades
10, 20, 35, 45, etc.