Stud Welding with Tip Ignition - Unthreaded Stud - Type UT
ISO 13918 (UT) - 2017 储能焊用焊接螺柱 - UT型，无螺纹螺柱（无头焊钉）
See all versions and complete specifications: Stud Welding with Tip Ignition - Unthreaded Stud - Type UT — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 4 | 0.57 | 0.73 | 8.6 | 5.5 | 4.1 | 3.9 | 5.3 | 0.65 | 8 | 5.7 |
| 4 | 6 | 0.67 | 0.83 | 12.6 | 7.5 | 6.1 | 5.9 | 7.3 | 0.75 | 12 | 7.7 |
| 5 | 7.1 | 0.67 | 0.83 | 15.6 | 9 | 7.2 | 7 | 8.8 | 0.75 | 15 | 9.2 |
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