Columbus Cromor is a 25CrMo4 steel, seamed and cold drawn, butted to variable thicknesses using shaped mandrills. Cromor steel is produced starting from a calibrated tube which has already received two drawing processes, before being reinforced in all the possible variable thickness off ered by the range.
UTS=750MPa, Ys=700MPa, Ap5 ≥ 12%
Suggested material for TIG welding: OK TIGROD 13.12 (AWS 5.28 ER 80S-G)
Suggested material for brazing: Castoline Silver Alloy 38230