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強度等級10.9 規格表
Grade 10.9 KS Specifications — 21個尺寸
ISO 898-1
ISOGrade 10.9
21 sizes| Nominal | Stress Area Aₛ (mm²) | Preload Fₚ (kN) | Dry Torque (Nm) | Lube Torque (Nm) | Wrench |
|---|---|---|---|---|---|
| M3 | 5.03 | 3.31 | 1.99 | 1.49 | 5.5mm |
| M4 | 8.78 | 5.78 | 4.62 | 3.47 | 7mm |
| M5 | 14.2 | 9.34 | 9.34 | 7.01 | 8mm |
| M6 | 20.1 | 13.2 | 15.9 | 11.9 | 10mm |
| M8 | 36.6 | 24.1 | 38.5 | 28.9 | 13mm |
| M10 | 58 | 38.2 | 76.3 | 57.2 | 17mm |
| M12 | 84.3 | 55.5 | 133 | 99.8 | 19mm |
| M14 | 115 | 75.7 | 212 | 159 | 22mm |
| M16 | 157 | 103 | 331 | 248 | 24mm |
| M18 | 192 | 126 | 455 | 341 | 27mm |
| M20 | 245 | 161 | 645 | 484 | 30mm |
| M22 | 303 | 199 | 877 | 658 | 32mm |
| M24 | 353 | 232 | 1115 | 836 | 36mm |
| M27 | 459 | 302 | 1631 | 1223 | 41mm |
| M30 | 561 | 369 | 2215 | 1661 | 46mm |
| M33 | 694 | 457 | 3014 | 2260 | 50mm |
| M36 | 817 | 538 | 3871 | 2903 | 55mm |
| M39 | 976 | 642 | 5009 | 3757 | 60mm |
| M42 | 1120 | 737 | 6190 | 4643 | 65mm |
| M45 | 1300 | 855 | 7699 | 5774 | 70mm |
| M48 | 1470 | 967 | 9286 | 6964 | 75mm |
This specification follows ISO (International Organization for Standardization) standards. ISO ensures cross-border compatibility, making it ideal for multinational projects, export equipment design, and global parts procurement.
按ISO 898-1 / VDI 2230的10.9級高強度螺栓(M3~M48)推薦鎖付扭矩表。基於940 MPa降伏應力，夾緊力約比8.8級高47%。用於模具、治具和高振動緊固。建議使用鍍後烘烤處理的產品以降低氫脆風險。