| (En 1A) BRIGHT HEXAGONS (En8) |
| (En 1A) | (En 8) |
| BS 970 | SAE (A1S1) | WERKSTOFF No | BS 970 | SAE (AISI) | WERKSTOFF No | |
| 220 M 07 | 1112 | 1.0711 | 080 M 40 | 1043 | 1.0503 |
| CHEMICAL COMPOSITION | CHEMICAL COMPOSITION | |
| Carbon | Silicon | Manganese | Sulphur | Phosphorus | Carbon | Silicon | Manganese | Sulphur | Phosphorus | |
| 0.07 - 0.15 | 0.10 Max | 0.80 - 1.20 | 0.20 - 0.30 | 0.07 Max. | 0.36 - 0.44 | 0.05 - 0.35 | 0.60 - 1.00 | 0.06 Max. | 0.06 Max. |
| MECHANICAL PROPERTIES |
| En 1A | PROPERTY | En 8 |
| 100 | Limited Ruling Section Min. | 150 |
| 355 | Tensile Strength, MPa. Min. | 540 |
| - | Yield Stress, MPa, Min. | 278 |
| 14 | Elongation percent, Min. | 20 |
| - | Izod Impact Value, Joule, Min. | - |
| 103 | Brinell Hardness Number | 152/207 |
| STANDARD STOCK SIZES |
| SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | |||||
| 10mm | 0.680 | 22mm | 3.291 | 27mm | 4.956 | 32mm | 6.963 | 42mm | 11.995 | 50mm | 16.996 | |||||
| 11mm | 0.823 | 24mm | 3.916 | 28mm | 5.331 | 38mm | 9.817 | 46mm | 14.385 | 55mm | 20.565 | |||||
| 19mm | 2.455 | 25mm | 4.250 | 30mm | 6.118 | 41mm | 11.428 | 48mm | 15.667 |
| TYPICAL USES |
| (En 1A) | (En 8) | |
|
For high speed production of repetition work eg.. Manufacture of bushes, pins, bolts, nuts, studs and couplings, where the major requirements are rapid machining and maximum tool life. |
Dynamo and motorshafts, heat-treated bolts, crankshafts, connecting rods, driving rings and flanges, railway couplings, axles, brackets, housings, miscellaneous gun carriage and small arms parts not subjected to high stresses or severe wear. |