This British Standard specifies requirements for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads. This standard is applicable to tubes of nominal size DN 8 to DN 150 in three series of thickness, designated light, medium and heavy.
Cross References:
- BS 18-4
- BS 21
- BS 3894-1
- ISO 6708
