Common standard for seamless steel pipe:

Seamless steel pipes are made of steel ingots or solid tube blanks through perforation to make capillaries, which are hot-rolled, cold-rolled or cold-drawn. Its used standards are:

① GB/T2102-2018 Acceptance, packaging, marking and quality certificate of steel pipes.

② GB/T17395-2008 Size, shape, weight and allowable deviation of seamless steel pipe.

③ GB/T5310-2018 Seamless steel tubes for high pressure boilers.

④ GB/T9948-2018 Seamless steel pipes for petroleum cracking.

⑤ GB/T6479-2018 Seamless steel pipes for high-pressure fertilizer equipment.

⑥GB/T18248-2018 Seamless steel pipes for gas cylinders.

Changsha Xiangjia Metal Materical Co., Ltd. is professional manufacture in seamless steel pipe with various grades and sizes. Years of production experience and manufacturing facilities who have a capacity of 200,000 tons per annual will ensure the good quality and competitive duration of our products.