点击图片查看大图
链条ASTM A413-80(等级70)
CHain ASTM A413-80(Grade 70)
| 公称尺寸Nominal Size | 实际条尺寸Actual Bar Size | 内边长度Inside Length | 内边宽度Inside Width | 每100英尺重量（最小）Weigth per 100Feet(Min) | 工作负荷Working Load | |||
| in | in | m/m | in | in | Lb | Kg | Lb | Kg |
| 1/4 | 0.281 | 7.1 | 0.86 | 0.45 | 84 | 38 | 3150 | 1430 |
| 5/16 | 0.343 | 8.7 | 1.01 | 0.46 | 111 | 51 | 4700 | 2130 |
| 3/8 | 0.394 | 10 | 1.10 | 0.55 | 150 | 68 | 6600 | 29900 |
| 7/16 | 0.468 | 11.9 | 1.29 | 0.67 | 212 | 97 | 8750 | 3970 |
| 1/2 | 0.521 | 13 | 1.55 | 0.72 | 238 | 108 | 11300 | 5130 |
| 型号 | 1/4-1/2 | 材质 | 20Mn2 |
| 适用范围 | 运输链 起重链 |
