gb8162 gr q345b seamless steel pipe for structure

China Q345b GB8162 Seamless Steel Pipes for Structural gb8162 gr q345b seamless steel pipe for structure

China Q345b GB8162 Seamless Steel Pipes for Structural, Find details about China Steel Tube, Seamless Steel Tube from Q345b GB8162 Seamless Steel Pipes for Structural General structure steel pipe_CHN Steel pipe & tube Co.General structure steel pipe, referred to as structural pipe. This standard replaces GB8162-1999 Structural seamless steel pipe.Compared with GB8162-1999, the main changes of this standard are as follows

gbt 8162 20crmo seamless circular steel tubes gbt 8162 q345b boiler pipe good quality different gb3087 grade 20 seamless steel pipe gb8162 gr q345b seamless steel pipe for structure

GB 3087 Seamless steel tubes for low and medium . GB3087-1982 and GB3087-1999. Seamless steel tubes for low and medium pressure boiler good quality different gb3087 grade 20 seamless steel pipe This Standard is applicable to the manufacturing of seamless steel tubes of quality carbon structural steels for different types of low and medium pressure boilers.