+86-19103172111
BS EN 10253-1 Butt-Welding Pipe Fittings Part 1: Wrought Carbon Steel for General Use and Without Specific Inspection Requireme
Source: | Auditor:Paisen PFF | Published time: 2020-10-27 | 6008 Views | Share:
BS EN 10255 Non-alloy steel tubes suitable for welding and threading Technical delivery conditions1 ScopeThis document.