16 开口垫圈GB/T 851—1988标准
开口垫圈GB851—1988标准
开口垫圈的尺寸规格、质量见表4.5-43、表4.5-44。
表4.5-43 开口垫圈的尺寸规格(mm)

| 规格(螺纹大径) | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | 36 |
| b | 6 | 8 | 10 | 12 | 14 | 18 | 22 | 26 | 32 | 40 |
| D1 | 13 | 15 | 19 | 23 | 26 | 32 | 42 | 50 | 60 | 72 |
| h | 0.6 | 0.8 | 1 | 1.5 | 2 | 2.5 | ||||
| C | 0.5 | 0.8 | 1 | 1.5 | 2 | 2.5 | ||||
| D | H | |||||||||
| 16 | 4 | |||||||||
| 20 | 4 | 5 | ||||||||
| 25 | 4 | 5 | 6 | |||||||
| 30 | 4 | 6 | 6 | 7 | ||||||
| 35 | 6 | 7 | 7 | 8 | ||||||
| 40 | 7 | 8 | 8 | 10 | ||||||
| 50 | 7 | 8 | 8 | 10 | 10 | |||||
| 60 | 8 | 10 | 10 | 10 | 12 | |||||
| 70 | 10 | 10 | 10 | 12 | 14 | |||||
| 80 | 10 | 12 | 12 | 12 | 14 | |||||
| 90 | 12 | 12 | 12 | 14 | 16 | |||||
| 100 | 12 | 12 | 14 | 14 | 16 | |||||
| 110 | 14 | 14 | 16 | — | ||||||
| 120 | 14 | 16 | 16 | 16 | ||||||
| 130 | 16 | 18 | — | |||||||
| 140 | 18 | 18 | ||||||||
| 160 | 20 | |||||||||
表4.5-44 开口垫圈的质量(kg)
每1000件钢制品的大约质量
| D | h | G | D | h | G |
| 规格=5 | 规格=6 | ||||
| 16 | 4 | 4.31 | 20 | 5 | 8.08 |
| 20 | 4 | 7.47 | 25 | 5 | 14.21 |
| 25 | 4 | 12.52 | 30 | 6 | 26.28 |
| 30 | 4 | 18.79 | 35 | 6 | 37.29 |
| 规格=8 | 规格=10 | ||||
| 25 | 6 | 15.12 | 30 | 7 | 25.38 |
| 30 | 6 | 24.09 | 35 | 7 | 37.73 |
| 35 | 7 | 40.78 | 40 | 8 | 59.78 |
| 40 | 7 | 55.5 | 50 | 8 | 100.2 |
| 50 | 7 | 91.38 | 60 | 8 | 150.4 |
| 规格=12 | 规格=16 | ||||
| 35 | 8 | 39.44 | 40 | 10 | 58.69 |
| 40 | 8 | 55.71 | 50 | 10 | 107.1 |
| 50 | 8 | 95.54 | 60 | 10 | 167.7 |
| 60 | 10 | 181.7 | 70 | 10 | 240.4 |
| 70 | 10 | 255.9 | 80 | 12 | 390.9 |
| 80 | 10 | 342.3 | 90 | 12 | 507.5 |
| 规格=20 | 100 | 12 | 638.7 | ||
| 50 | 10 | 92.11 | 规格=24 | ||
| 60 | 10 | 151.6 | 60 | 12 | 161.5 |
| 70 | 10 | 223 | 70 | 12 | 245.8 |
| 80 | 12 | 368.9 | 80 | 12 | 344.5 |
| 90 | 12 | 483.8 | 90 | 12 | 457.8 |
| 100 | 12 | 613.3 | 100 | 14 | 684.4 |
| 110 | 14 | 884.2 | 110 | 14 | 850.6 |
| 120 | 14 | 1070 | 120 | 16 | 1 182 |
| 规格=30 | 130 | 16 | 1 411 | ||
| 70 | 14 | 242.8 | 规格=36 | ||
| 80 | 14 | 355.6 | 90 | 16 | 467.5 |
| 90 | 14 | 485.2 | 100 | 16 | 631.5 |
| 100 | 14 | 631.6 | 120 | 16 | 1 017 |
| 110 | 16 | 910.7 | 140 | 18 | 1 668 |
| 120 | 16 | 1 117 | 160 | 20 | 2 530 |
| 130 | 18 | 1 511 | |||
| 140 | 18 | 1 787 | |||