China GB/T3639 20# Bk Seamless Carbon Steel Tubes and Pipes, Find details about China High Precision Tube, Carbon Steel Tube from GB/T3639 20# Bk Seamless Carbon Steel Tubes and Pipes - CHANGZHOU DRAKE INTERNATIONAL TRADE CO., LTD.(pipe)Hydraulic Cylinder St52.3 Honed Seamless Steel Tube - Buy gb t8713 gb t3639 din2391 carbon steel seamless pipe(steel)1, the main feature of seamless steel pipe is welded joints, can withstand greater pressure. The product can be very rough as cast or cold parts. 2,honed tube is the product in recent years, mainly the hole, the outer wall size has strict tolerances and roughness. chemical composition of seamless carbon steel pipe.
imagesCold Drawn/Hot Rolled Precision Carbon Steel Seamless Pipe gb t8713 gb t3639 din2391 carbon steel seamless pipe(steel)Standard GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter. Material & (pipe)Price Range $1