30
50
25
20
Steel
Gold
Aluminium
Silver
2.0 to 2.5 A/dm2
1.0 to 2 A/dm2
5.0 to 5.5 A/dm2
9.0 to 9.5 A/dm2
Sb
Sn
Se
Sa
Rust formation
Hardness
Brittleness
Heat exposure