ISO 8434-1 Carbon steel tubes shall comply with delivery condition R37 NBK, as specified in ISO 3304 (cold-drawn and normalized) or ISO 3305 (cold-drawn and normalized). Stainless steel tubes shall be in accordance with ISO 1127 (annealed).
- Jun 15, 2019-
ISO 8434-1 Carbon steel tubes shall comply with delivery condition R37 NBK, as specified in ISO 3304 (cold-drawn and normalized) or ISO 3305 (cold-drawn and normalized). Stainless steel tubes shall be in accordance with ISO 1127 (annealed).