11M Feed Beam Aluminium Extruded Profiles For Tunnel Drilling
ROC L8 Feed Beam Aluminium Extruded Profiles
SPECIFICATIONS:
1. Material: Aluminum Alloy 7020 ; Heat treatment T6
2. Compliant with: GB/T6892-2006
3. Tolerance: twist degree--- less than 1degree per meter and 5 degrees for whole length;
curvature--- less than 1mm per meter and 5mm for whole length
4. Mechanic: σb≥320MPa, σ0.2≥270MPa, δ5≥8%
5. The surface is free from manufacturing defects, such as nicks, dings, scratches .
6. Length Option: ranging from 8,100mm to 11,100mm
7. Feed Beam can be machined as per buyers' demand
8. Net Weight: 39kgs/meter
9. Package : Plywood case for Feed Beam
10. Single package size: Length x Width x Height = 460cm X28cm X28 cm
| Material Option | Aluminum Alloy 7020 |
| Heat Treatment | T6 Temperature |
| Standards | GB/T6892-2006 |
| Mechanic | σb≥320MPa, σ0.2≥270MPa, δ5≥8% |
| Feed Beam Surface | Free from manufacturing defects, such as nicks, dings, scratches |
| FB Length Option | Ranging from 8,100mm to 11,100mm |
| Longitudianl Deviation | 1 mm/meter for longitudinal deviation and less than 5 mm for the entire length |
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