heat exchange pipe for refrigeration
USD $3.2 - $4 /Kilogram
Min.Order:300 Kilograms
heat exchange tube
Characteristic parameter table | |||||||
Grades | Standards | Tensile strength b (MPa) | Elongation 10% | Elongation 5% | 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% |