| Carbon Steels Prehardened SteelsAlloy Steels Tool Steels | Prehardened Steels Hardened Steels | Stainless Steels | Cast Iron Ductile Iron | Copper Alloys | Aluminum Alloys | Titanium Alloys | Heat Resistant Alloys | |||
| ~35HRC | ~40HRC | ~50HRC | ~55HRC | ~68HRC | ~35HRC | ~350HB | ||||
| ◎ | ◎ | ◎ | ◎ | |||||||