| 070M20 (En 3A) BRIGHT MILD |
| BS 970 | SAE (A1S1) | WERKSTOFF No |
| 070M20 | 1020 | 1.0402 |
| CHEMICAL COMPOSITION |
| Carbon | Silicon | Manganese | Sulphur | Phosphorus |
| 0.25 Max. | 0.35 Max. | 1.00 Max | 0.06 Max | 0.06 Max. |
| MECHANICAL PROPERTIES |
| PROPERTY | NORMALIZED |
| Tensile Strength, MPa, Min. | 430 |
| Elongation percent, Min. | 17 |
| STANDARD STOCK SIZES |
| SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | SIZE | Kg/m | ||||||
| 6mm | 0.222 | 5/8" | 1.554 | 25mm | 3.853 | 38mm | 8.903 | 55mm | 18.650 | 3½" | 48.726 | 125mm | 96.337 | ||||||
| 7mm | 0.302 | 16mm | 1.578 | 1" | 3.987 | 1½" | 8.950 | 2¼" | 20.137 | 90mm | 49.939 | 127mm | 99.441 | ||||||
| 8mm | 0.395 | 17mm | 1.782 | 26mm | 4.168 | 40mm | 9.865 | 60mm | 22.195 | 95mm | 55.642 | 130mm | 104.195 | ||||||
| 9mm | 0.499 | 18mm | 1.998 | 28mm | 4.824 | 42mm | 10.876 | 2½" | 24.861 | 100mm | 61.654 | 135mm | 112.364 | ||||||
| 10mm | 0.617 | 19mm | 2.226 | 1 1/8" | 5.034 | 1 3/4" | 12.181 | 65mm | 26.049 | 4" | 63.642 | 140mm | 120.841 | ||||||
| 11mm | 0.746 | 20mm | 2.466 | 30mm | 5.549 | 45mm | 12.485 | 70mm | 30.210 | 105mm | 67.973 | 145mm | 129.627 | ||||||
| 12mm | 0.888 | 21mm | 2.179 | 1 1/4" | 6.215 | 48mm | 14.205 | 75mm | 34.680 | 110mm | 74.601 | 150mm | 138.721 | ||||||
| 1/2" | 0.994 | 22mm | 2.984 | 32mm | 6.313 | 50mm | 15.413 | 3" | 35.799 | 4 1/2" | 80.547 | 6" | 143.195 | ||||||
| 14mm | 1.175 | 7/8" | 3.045 | 35mm | 7.553 | 2" | 15.911 | 80mm | 39.458 | 115mm | 81.537 | 155mm | 148.123 | ||||||
| 15mm | 1.387 | 24mm | 3.551 | 36mm | 7.990 | 2 1/8" | 17.962 | 85mm | 44.545 | 120mm | 88.781 | 160mm | 157.833 |
| TYPICAL USES |
| Shafts, bolts, nuts, studs, couplings and machinery components where a low tensile strength material is required. |