Micro multi-port tube is applied not only in car air conditioner but also in the field of commercial, household air conditioner, condenser, evaporator, fridge, oil cooler and inter cooler.
1. Chemical Composition
No. |
Alloy |
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
V |
Ti |
1 |
1050 |
≤ 0.25 |
≤ 0.40 |
≤ 0.05 |
≤ 0.05 |
≤ 0.05 |
- |
≤ 0.05 |
≤ 0.05 |
≤ 0.03 |
2 |
1100 |
≤ 0.95(Fe+Si) |
0.05-0.20 |
≤ 0.05 |
- |
- |
≤ 0.10 |
- |
- |
3 |
1197 |
≤ 0.15 |
≤ 0.20 |
0.40-0.55 |
0.10-0.20 |
≤ 0.03 |
≤ 0.05 |
≤ 0.05 |
≤ 0.05 |
≤ 0.05 |
4 |
3102 |
≤ 0.40 |
≤ 0.70 |
≤ 0.10 |
0.05-0.40 |
- |
- |
≤ 0.30 |
- |
≤ 0.10 |
5 |
3R03 |
≤ 0.15 |
≤ 0.15 |
≤ 0.01 |
0.90-1.10 |
≤ 0.03 |
≤ 0.03 |
≤ 0.05 |
≤ 0.05 |
≤ 0.05 |
2. Mechanical Properties
No. |
Alloy |
Temper |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elogation(%) |
1 |
1050 |
O/F/H111/H112 |
≥ 65 |
≥ 20 |
≥ 25 |
2 |
1100 |
O/F/H111/H112 |
≥ 75 |
≥ 20 |
≥ 25 |
3 |
1197 |
O/F/H111/H112 |
≥ 80 |
≥ 25 |
≥ 20 |
4 |
3102 |
O/F/H111/H112 |
≥ 75 |
≥ 20 |
≥ 25 |
5 |
3R03 |
O/F/H111/H112 |
≥ 80 |
≥ 25 |
≥ 20 |
3. Size Tolerance
Width |
Thickness |
Wall Thickness |
Length |
Lateral Curvature |
Frontal Curvature |
Twsiting Dgree |
± 0.05mm |
± 0.03mm |
± 0.05mm |
± 0.03mm |
≤ L× 0.2% |
≤ L× 0.25% |
≤ L× 0.15% |
4. Corrosion Resistance
Salt spray test: ≥ 750 hours
5. Zn Coating Standards
6/8/10/13± 2g/square meter
6. Flux Cotaing Standards
10-15± 2g/square meter