| 1010 | S10C | Plain Carbon | Structural | 0.08-0.13% | Low carbon, general purpose |
| 1018 | S18C | Plain Carbon | Structural | 0.15-0.20% | General purpose, good machinability |
| 1020 | S20C | Plain Carbon | Structural | 0.18-0.23% | Most common structural steel |
| 1030 | S30C | Plain Carbon | Structural | 0.28-0.34% | Higher strength |
| 1040 | S40C | Plain Carbon | Medium Carbon | 0.37-0.44% | Good strength, wear resistance |
| 1045 | S45C | Plain Carbon | Medium Carbon | 0.43-0.50% | Most common medium carbon |
| 1050 | S50C | Plain Carbon | High Carbon | 0.48-0.55% | High hardness |
| 1060 | S60C | Plain Carbon | High Carbon | 0.55-0.65% | Spring steel |
| 1070 | S70C | Plain Carbon | High Carbon | 0.65-0.75% | High carbon spring steel |
| 1080 | S80C | Plain Carbon | High Carbon | 0.75-0.88% | Tool steel |
| 4130 | 25CrMo4 | Alloy | Cr-Mo | 0.28-0.33% | Aircraft tubing, high strength |
| 4140 | 42CrMo4 | Alloy | Cr-Mo | 0.38-0.43% | Most common Cr-Mo alloy steel |
| 4145 | 42CrMo4 | Alloy | Cr-Mo | 0.43-0.48% | Heavy duty shafts |
| 4150 | 50CrMo4 | Alloy | Cr-Mo | 0.48-0.53% | High strength applications |
| 4320 | 20NiCrMo2 | Alloy | Ni-Cr-Mo | 0.17-0.22% | Case hardening |
| 4340 | 36NiCrMo4 | Alloy | Ni-Cr-Mo | 0.38-0.43% | High strength, tough |
| 4620 | 20NiMo6 | Alloy | Ni-Mo | 0.17-0.22% | Case hardening |
| 4820 | 18NiCrMo5 | Alloy | Ni-Cr-Mo | 0.18-0.23% | High case hardening |
| 8620 | 20NiCrMo2-2 | Alloy | Ni-Cr-Mo | 0.18-0.23% | Very common alloy steel |
| 8640 | 40NiCrMo6 | Alloy | Ni-Cr-Mo | 0.38-0.43% | Medium carbon alloy |
| 8740 | 38CrSiMo4 | Alloy | Cr-Si-Mo | 0.38-0.43% | High strength, shock resistant |
| 9310 | 17NiCrMo7 | Alloy | Ni-Cr-Mo | 0.08-0.13% | Gear steel, high toughness |
| 304 | X5CrNi18-10 | Stainless | Austenitic | 0.08% | Most common stainless |
| 304L | X2CrNi19-11 | Stainless | Austenitic | 0.03% | Low carbon for welding |
| 316 | X5CrNiMo17-12-2 | Stainless | Austenitic | 0.08% | Marine grade |
| 316L | X2CrNiMo17-12-2 | Stainless | Austenitic | 0.03% | Low carbon marine |
| 321 | X6CrNiTi18-10 | Stainless | Austenitic | 0.08% | Titanium stabilized |
| 347 | X6CrNiNb18-10 | Stainless | Austenitic | 0.08% | Niobium stabilized |
| 410 | X12Cr13 | Stainless | Martensitic | 0.15% | Cutlery, valves |
| 420 | X20Cr13 | Stainless | Martensitic | 0.30% | High hardness |
| 430 | X6Cr17 | Stainless | Ferritic | 0.12% | Automotive trim |
| 440C | X105CrMo17 | Stainless | Martensitic | 0.95-1.20% | Bearing steel |
| 17-4PH | X5CrNiCuNb16-4 | Stainless | PH | 0.07% | Precipitation hardening |
| A36 | S235JR | Structural | General | 0.25% | Most common structural steel |
| A572 | S355JR | Structural | High Strength | 0.25% | High strength structural |
| A992 | S355J2 | Structural | High Strength | 0.25% | W-shape beams |
| A588 | S355J0W | Structural | Weathering | 0.25% | Corten steel |
| D2 | X153CrMoV12 | Tool Steel | Cold Work | 1.50% | High chromium tool steel |
| O1 | 90MnV8 | Tool Steel | Cold Work | 0.90% | Oil hardening |
| A2 | X100CrMoV5 | Tool Steel | Cold Work | 1.00% | Air hardening |
| M2 | HS6-5-2 | Tool Steel | HSS | 0.80-0.90% | High speed steel |
| H13 | X40CrMoV5-1 | Tool Steel | Hot Work | 0.40% | Hot work tool steel |