seamless steel pipe Applications
1. In Construction: underground pipeline transportation, groundwater extraction during building construction, boiler hot water transportation, etc.
2. In mechanical processing, bearing sleeves, processing machinery accessories, etc.
3. In the electrical industry: gas transmission, water generates electricity in fluid pipes.
4. Anti-static pipes in wind power plants, etc.

Chinese standards of current seamless steel pipes
1. Current standards of seamless steel pipes: a total of 47 items (basic 2 items and other 45 items) including 25 items in GB and 3 items and 19 special purposes in HB.
2. Common standards of seamless steel pipes:
① GB/T 2102-2006 Acceptance, packing, marking and quality certificate of steel pipes.
② GB/T17395-2008 Dimensions, shapes, weight and allowable deviation of seamless steel pipes.
③ GB/T5310-2008 Seamless steel pipes for high-pressure boilers.
④ GB/T6479-2000 Seamless steel pipes for high-pressure fertilizer equipment.
⑤ GB/T18248-2008 Seamless steel pipes for gas cylinders.