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| No. | L | Section secondary torque mm4 | Section modulus mm3 | Quality kg/m | Clear anodizing price/m | Black anodizing price/m | ||
| Designated units | lx | ly | Zx | Zy | ||||
| 4040 | 50~4000 | 10.48x104 | 10.48x104 | 5.24x103 | 5.24x103 | 1.74 |
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| 4080 | 50~4000 | 72.30x104 | 19.92x104 | 18.07x103 | 9.96x103 | 3.01 |
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