Seamless steel pipe with small outside caliber can be called small caliber thin-wall seamless steel pipe, and small caliber seamless steel pipe can also be divided into: seamless small caliber st...
Small caliber thin wall seamless steel pipes is a hollow section, no joints around the long steel.It is made of steel ingot or solid pipe billet through perforation and then made by hot rolling, ...
Small caliber thick wall seamless steel pipe, is a hollow section, no joints around the long steel.It is made of steel ingot or solid pipe billet through perforation and then made by hot rolling,...
Small caliber seamless steel pipe can be divided into: small seamless steel pipe and straight seam (also known as welding) small seamless steel pipe, generally below the outside diameter of the s...
Petroleum tubing (GB9948-88) is a furnace pipe, heat exchanger and seamless pipe for petroleum refineries.Geological drilling steel pipe (YB235-70) is a kind of steel pipe used by geological depa...