Currently China's seamless steel pipe standards:

1. Current seamless steel pipe standards: 47 items in total, it including: GB/T25 items, HB3 items, 19 items for special purposes; 2 basic items, 45 items.

2. Commonly used standard:

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 pipes 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. the Steel Pipe Division of ADTO GROUP, is one of the leading manufacturers of steel products in China. We specializes in manufacturing all kinds of steel pipe in 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.