ENGINEERING STEELS + ALLOYS
| Interlloy Grade | Nearest Related Specification | Typical Composition (%) & Properties | Description & Applications | ||||
| C | Mn | Ph | S | Si | |||
| M1020 | AS1443-M1020 BS970 PART 3 1991 070M20 (EN3B) SAE/AISI 1020 GRADE 2 |
0.20 | 0.50 | 0.05 MAX |
0.05 MAX |
0.23 | Mild steel for machined parts or shafting. Can be case hardened and welds readily. |
| M1030 | AS1443 - 1030 BS970 PART 3 1991 080M 30 (EN6A) SAE/AISI 1030 GRADE 1 |
0.30 | 0.75 | 0.05 MAX |
0.05 MAX |
0.23 | Medium high tensile steel for shafts and medium stressed parts. Can be welded with care. Can be heat treated. |
| 1040* | AS1443 - 1040 BS970 PART 1 1983 080M 40 (EN8) SAE/AISI 1040 GRADE 1B |
0.40 | 0.75 | 0.04 MAX |
0.04 MAX |
0.23 | Medium high tensile steel for shafts and parts requiring 620MPa (40 tonne tensile). Responds to heat treatment. |
| 1045 | AS1443 - 1045 BS970 PART 3 1991 080A47 (EN43B) SAE/AISI 1045 |
0.45 | 0.75 | 0.04 MAX |
0.04 MAX |
0.23 | Medium high tensile steel for shafts and machinery parts. Suitable for induction and flame hardening. |
| 12L14 | AS1443/ 12L14 BS970 230M07 leaded (EN1A) Leaded SAE/AISI 12L14 |
0.15 MAX | 0.80 | 0.04 | 0.25 | This premium grade of free cutting steel is used by repititon engineers ad general machining for a wide varitey of applications. | |
| S1214 | AS1443 - 1214 BS970 PART 3 1991 220M07 (EN1A) SAE/AISI 1215 ESFC |
0.15 MAX |
1.00 | 0.09 | 0.35 | 0.15 MAX |
For maximum machinability and free cutting properties. Can be case hardened. |
