High Strength Plain Washers for Steel Structures
GB /T 1230 - 1991 钢结构用高强度垫圈
See all versions and complete specifications: High Strength Plain Washers for Steel Structures — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 1230 |
| ISO | ISO 7416 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 12 | 17 | 3.5 | 4.8 | 17.43 | 31.4 | 20.03 | 23.4 | 33 | 19.23 |
| 16 | 23 | 4.5 | 5.8 | 23.52 | 40.4 | 27.12 | 43.34 | 42 | 26.32 |
| 20 | 28 |
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| 4.5 |
| 5.8 |
| 28.52 |
| 50.1 |
| 33.64 |
| 66.52 |
| 52 |
| 32.84 |
| (22) | 31 | 4.5 | 5.8 | 31.62 | 54.1 | 36.64 | 75.42 | 56 | 35.84 |
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