Q235B Steel Pipe Production Process

General low-pressure fluid conveying spiral seam submerged arc welding steel pipe (SY5037-83), using double-sided automatic submerged arc welding or one side welding into legal system for water, gas, air and steam general low-pressure fluid conveying with submerged arc welding steel pipe.
Now commonly used criteria of Q235B steel pipe generally divided into: SY/T5037-2000 (ministry of standard, also called general fluid conveying pipe with spiral seam submerged arc welding steel pipe GB/T9711.1-1997 (national standard, also known as oil and gas industry conveying pipe delivery technical conditions in the first part: grade A steel pipe (strict to the GB/T9711.2 grade B steel pipe)), API 5 l (American petroleum institute, also known as the pipeline steel pipe; which can be divided into PSL1 and PSL2 two levels), SY/T5040-92 (pile with spiral seam submerged arc welding steel tube)

Hunan Great Steel Pipe co.ltd have many pipe inventory of this pipe.If you would like to know more about carbon steel pipe,pls contact :hunan great steel pipe co.,ltd