... :Middle-east,Africa,Asia,America Name:hot expanded seamless steel pipeMaterial:20#(ASTM A 106/A53 GRB. ... of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and ... square cut,plastic cappedApplication:seamless steel pipe for low and medium pressure boiler,high pressure boiler and ship-building,liquid ... strong steel strip,seaworthy packing. hot -roll seamless steel tube