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Name
All metal hexagonal flange lock nuts (pressure point type)
Model
Q322 Q323 (fine thread)
classify
Steam standard Q
Contact
Detail
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All metal hexagon flange lock nut (pressure point type)
Model (Erqi): Q322 Q323 (fine thread)
Performance grade: Grade 6, Grade 8, grade 10
Raw material: ml08 swrch35k 10B21
Hardness above grade 8: 26-36hrc surface treatment: to be determined
Mechanical properties as per GB / t3098.2 effective torque as per GB / t3098.9
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| 序号 | 型号 | 规格D | 牙距P | 对边 S | 厚度 h | 法兰直径 dc | 有效力矩/（N.m） 8级 | 有效力矩/（N.m） 10级 | ||||||||
| max | min | max | min | max | min |
8级 10级 min |
第一次 拧入 最大Max |
第一次 拧出 最小Min |
第五次 拧出 最小Min |
第一次 拧入 最大Max |
第一次 拧出 最小Min |
第五次 拧出 最小Min |
||||
| 1 | Q322 | M5 | 0.8 | 8 | 7.78 | 6.2 | 5.7 | 11.8 | 9.8 | 11.3 | 1.6 | 0.29 | 0.08 | 2.1 | 0.35 | 0.24 |
| 2 | Q322 | M6 | 1.0 | 10 | 9.78 | 7.3 | 6.8 | 14.2 | 12.2 | 13.6 | 3 | 0.45 | 0.3 | 4 | 0.55 | 0.4 |
| 3 | Q322 | M8 | 1.25 | 13 | 12.73 | 9.4 | 8.74 | 17.9 | 15.8 | 17.2 | 6 | 0.85 | 0.6 | 8 | 1.15 | 0.8 |
| 4 | Q323 | 1 | ||||||||||||||
| 5 | Q322 | M10 | 1.5 | 15 | 14.73 | 11.4 | 10.34 | 21.8 | 19.6 | 21.1 | 10.5 | 1.5 | 1 | 14 | 2 | 1.4 |
| 6 | Q323 | 1.25 | ||||||||||||||
| 7 | Q322 | M12 | 1.75 | 18 | 17.73 | 13.8 | 12.57 | 26 | 23.8 | 25.3 | 15.5 | 2.3 | 1.6 | 21 | 3.1 | 2.1 |
| 8 | Q323 | 1.5 | ||||||||||||||
| 9 | 1.25 | |||||||||||||||
| 10 | Q322 | M14 | 2.0 | 21 | 20.67 | 15.9 | 14.8 | 29.9 | 27.6 | 29.1 | 24 | 3.3 | 2.3 | 31 | 4.4 | 3 |
| 11 | Q323 | 1.5 | ||||||||||||||
| 12 | Q322 | M16 | 2.0 | 24 | 23.67 | 18.3 | 17.2 | 34.5 | 31.9 | 33.5 | 32 | 4.5 | 3 | 42 | 6 | 4.2 |
| 13 | Q323 | 1.5 | ||||||||||||||
| 14 | Q322 | M18 | 2.5 | 27 | 26.16 | 19.6 | 18.6 | 38 | 37.2 | 37.2 | 42 | 6 | 4.2 | 56 | 8 | 5.5 |
| 15 | Q323 | 1.5 | ||||||||||||||
| 16 | Q322 | M20 | 2.5 | 30 | 29.16 | 22.4 | 20.3 | 42.8 | 39.9 | 41.5 | 54 | 7.5 | 5.3 | 72 | 10.5 | 7 |
| 17 | Q323 | 1.5 | ||||||||||||||
