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Characteristic parameter table | ||||||||
Grades | Standards | Tensile strength σb (MPa) | Elongation δ10% | Elongation δ5% | Characteristics and scope of application | |||
Al 1070A | GB/T4437.1-2000 | 60-95 | ≥22 | ≥25 | Industrial pure aluminum, with high plasticity, corrosion resistance, electrical conductivity and thermal conductivity, but low intensity, heat treatment can not be strengthened and not be cut; can gas welding, welding and exposure to hydrogen atoms welding, brazing can not afford; vulnerable processing and extension of various pressures, bending.
| |||
Al 1060A | GB/T3191-1998 | 60-95 | ≥22 | ≥25 | ||||
Detection of parameter table | ||||||||
Serial number | Test items | Units of measurement | Monitoring data | |||||
1 | Internal and external surface quality |
| Clean | |||||
2 | The inner surface of dust concentration in
| g/ | ≤0.017 | |||||
3 | Inside surface roughness |
| ≤Ra0.40 | |||||
4 | Water content | g/ | ≤0.02 | |||||
5 | Tensile strength | Mpa | ≥70 | |||||
6 | Iron | % | 0.12 | |||||
7 | Silicon | % | 0.02 | |||||
8 | Copper | % | 0.01 | |||||
9 | Pressure test |
| ≥1.3Mpa/16 | |||||
10 | Elongation | % | ≥37% | |||||
thin walled aluminium tube