Technical Data Sheet
| Chemical Composition Limits | ||||||
| Weight% | C | Si | Mn | P+S | Pb by agreement | Limited Ruling Section |
| 7S1 GpA |
0.15-0.25 | 0.1-0.35 | 0.6-0.9 | 0.04 max | 0.15-0.35 | 0-19mm |
| 7S1 GpB |
0.25-0.35 | 0.1-0.35 | 0.6-0.9 | 0.04 max | 0.15-0.35 | 19-29 mm |
| 7S1 GpC |
0.3-0.4 | 0.1-0.35 | 0.6-0.9 | 0.04 max | 0.15-0.35 | 29-101mm |
| Other Chemically similar Specifications | ||||||
| Weight% | C | Si | Mn | P+S | Others | |
| SAE 1030 AISI 1030 |
0.28-0.34 | 0.15-0.3 | 0.6-0.9 | P 0.04 S 0.05 |
– | |
| SAE 1035 AISI 1035 |
0.32-0.38 | 0.15-0.3 | 0.6-0.9 | P 0.04 S 0.05 |
– | |
| SAE 1038 AISI 1038 |
0.35-0.42 | 0.15-0.3 | 0.6-0.9 | P 0.04 S 0.05 |
– | |
| MIL-S-16974 E1040 |
0.37-0.44 | 0.15-0.3 | 0.6-0.9 | P 0.04 S 0.05 |
– |
Typical Mechanical Properties
| Grade | Tensile Strength (tonf/in) | 0.2 % Yield Strength (tonf / in² ) | Elongation on 5.65 √50 | Ruling Section |
| 7S1 GpA | 35 | 29 | 7 | 3/4" |
| 7S1 GpA | 35 | 23 | 8 | 3/4" – 1.125" |
| 7S1 GpC | 35 | 19 | 11 | 1.125"-4" |
Availability
Alloy 7S1 for all stock availability contact Sales.