Aluminum tube series
The chemical characteristics of aluminum: The anti-atmospheric corrosion performance is good, because it is easy to form dense surface of the alumina membrane, it can prevent further internal metal oxide, aluminum and concentrated nitric acid, organic acid and basic food adverse reactions
Sequence number | Detection project | Units of measurement | Detection data |
1 | Internal and external surface quality | clean | |
2 | Inner-surface dust content | g/m2 | ≤0.017 |
3 | Inner-surface roughness | ≤Ra0.40 | |
4 | Water content | g/m2 | ≤0.02 |
5 | Tensile strength | MPa | ≥70 |
6 | iron | % | 0.12 |
7 | Elongation ratio | % | ≥37% |
8 | silicon | % | 0.02 |
9 | Pressure Test | ≥1.3MPa/16 | |
10 | Copper | % | 0.01 |
Brand | Standard | Tensile strength B(MPa) | Elongation (10%) | Elongation (5%) | Characteristics and scope |
O-1070aluminum | GB/T4437.1-2000 | 60~95 | ≥22 | ≥25 | The industrial aluminum, a high plasticity, corrosion resistance, electrical conductivity and thermal conductivity, but low intensity, heat treatment can not strengthen, not the desirability; Can gas welding, hydrogen bonding and contact welding, brazing difficult; Easy under various pressures processing and extension, flexion |
O-1060aluminum | GB/T3191-1998 | 60~95 | ≥22 | ≥25 |

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