In car air conditioner or in the field of commercial, household air conditioner, condenser, evaporator, fridge, oil cooler and inter cooler, micro multi-port tube is in widespread use.
1.Our products will be tested in strict standard before delivery, some data for your reference.
No |
Products' Testing Name |
Contents and requests |
1 |
Corrosion Resistance |
Salt spray test: ≥ 750 hours |
2 |
Zn Coating Standards |
6/8/10/13± 2g/square meter |
3 |
Flux Cotaing Standards |
10-15± 2g/square meter |
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. 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 |
4. 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% |