Aluminium
Cast-iron
Titanium alloys
Copper alloys
Metals
Welding
Zirconium
Aluminium alloys
Steels
Copper
Nickel alloys
Classification systems
Compositional tolerances
Titanium
Nickel
Chemical composition
Link: PD CEN ISO/TR 20173:2018 Welding. Grouping systems for materials. American materials
Source: BSI Standards
