Carbon Steel

Generally available forms:

Round Bar Flat Bar Sheet
Coil Plate Hexagon Bar

Low Carbon

A36 1008 1010
1018 1020 1026
1117 11L17

Medium Carbon

1035 1040 1042
1045 1050 1060
1095 1141 11L41
1144 1144 Stress Proof

Screw Machine Stock

1215 12L14 12L14 plus Tellurium

Turned, Ground & Polished (TGP)

4140