梨形环
符合欧盟EN1677-4标准（替代DIN5688-3标准）
选用高强度高韧性特殊合金钢，并经过热处理
每件按工作拉力的2.5倍进行验证测试
抽样进行20000次疲劳测试
对每一批次产品进行严格的抽样破断测试
进行100%磁粉探伤
安全系数5:1
表面处理：喷塑
梨形环
| 产品编号 | 工作拉力（T） | 破断拉力（T） | 尺寸（mm） | 单重（kg） | |||
| A | B | C | D | ||||
| UQ03-01 | 1.6 | 8.0 | 10.0 | 28.5 | 19.0 | 10.0 | 0.10 |
| UQ03-02 | 3.2 | 16.0 | 12.5 | 38.0 | 25.5 | 12.5 | 0.25 |
| UQ03-03 | 4.1 | 20.5 | 16.0 | 47.5 | 32.0 | 16.0 | 0.50 |
| UQ03-04 | 5.6 | 28.0 | 19.0 | 57.0 | 38.0 | 19.0 | 0.80 |
| UQ03-05 | 6.4 | 32.0 | 22.0 | 67.0 | 44.5 | 22.2 | 1.40 |
| UQ03-06 | 11.0 | 55.0 | 25.0 | 76.0 | 51.0 | 25.4 | 1.90 |
| UQ03-07 | 13.9 | 69.5 | 28.0 | 86.0 | 57.0 | 28.5 | 2.92 |
| UQ03-08 | 16.3 | 81.5 | 32.0 | 95.0 | 63.5 | 32.0 | 3.75 |
| UQ03-09 | 19.5 | 97.5 | 35.0 | 105.0 | 70.0 | 35.0 | 5.12 |
| UQ03-10 | 24.6 | 123.0 | 38.0 | 114.0 | 76.0 | 38.0 | 6.50 |
| UQ03-11 | 28.4 | 142.0 | 41.5 | 124.0 | 82.5 | 41.3 | 8.40 |
| UQ03-12 | 38.5 | 192.5 | 44.5 | 133.0 | 89.0 | 44.5 | 10.21 |
| UQ03-13 | 43.5 | 217.5 | 48.0 | 143.0 | 95.5 | 47.6 | 13.15 |
| UQ03-14 | 46.5 | 232.5 | 51.0 | 152.5 | 102.0 | 51.0 | 15.42 |
| UQ03-15 | 64.9 | 324.5 | 57.5 | 171.5 | 114.5 | 57.0 | 21.78 |
| UQ03-16 | 66.8 | 334.0 | 63.5 | 190.5 | 127.0 | 63.5 | 29.94 |
| UQ03-17 | 98.4 | 492.0 | 70.0 | 209.5 | 140.0 | 70.0 | 39.92 |
| UQ03-18 | 103.4 | 517.0 | 76.5 | 229.0 | 152.5 | 76.0 | 51.71 |
| UQ03-19 | 118.9 | 594.5 | 82.5 | 248.0 | 165.0 | 82.5 | 66.23 |
| UQ03-20 | 126.6 | 633.0 | 89.0 | 257.5 | 178.0 | 89.0 | 82.10 |
| UQ03-21 | 169.2 | 846.0 | 102.0 | 305.0 | 203.5 | 101.5 | 122.93 |
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