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Product details description
1. Requirement
1.1 Alloy. Temper. Dimension Tolerance
Table 1
Alloy |
Temper |
Thickness and Tolerance |
Width and Tolerance |
3104 |
H19 |
0.240±0.005mm 0.00945±0.0002in |
1684.17-0/+2mm 66.31-0/+0.08in |
1.2 Chemical Composition
Table2
Alloy |
Chemical Composition (not more than) |
|||||||||||
Fe |
Si |
Cu |
Mn |
Mg |
Ti |
Zn |
Ga |
V |
Others |
Al |
||
Each |
Total |
|||||||||||
3104 |
≤0.8 |
≤0.6 |
0.05-0.25 |
0.8-1.4 |
0.8-1.3 |
≤0.1 |
≤0.25 |
≤0.05 |
≤0.05 |
0.05 |
0.15 |
Other |
1.3 Mechanical Property and Process Property
Table 3
Mechanical Property |
Process Property |
|||
Tensile Strength Rm |
Yield Strength Rp0.2 |
Elongation A50mm/% |
Post Baked Yield Strength (205℃/10min) |
Earing /% |
290-330MPa |
270-310MPa |
≥3.0 |
≥250MPa |
≤3 |
1.4 Surface Lubrication
Table 4
Post Lube |
Post Lube Control Amount |
Henkel DTI PL-A |
250±50mg/m2/side 25.0±5.0mg/ft2/side |
1.5 Oscillation and Telescoping
The oscillation shall not be more than 2mm,and telescoping no more than 5mm.
1.6 Edge camber
The edge camber shall not be more than 1mm maximum in 1000mm on the strip
1.7 Flatness
The gap between the strip and the flat surface should less than 6mm, the amount of wave in one meter length should no more than 3 .
1.8 Surface Roughness
Ra:0.20~0.50um。
2. Appearance Quality
2.1 The surface should be clean, even texture. Defects which may affect the material processing are forbidden, such as serious scratches, speckles, corrosions, oil stains, air entrapments, holes, peeling, inclusions, metal and nonmetal inclusions, black streaks or black lines.
2.2 The trimmed coil must be without cracks,clean cutting edge
2.3 The coils should be tight and even on the edges ,no splice
2.4 Coil Packing Type Paperless Packaging
Table 5
Al Core Quantity |
Al Core Thickness |
Inner Diameter |
Outer Diameter |
Coil Weight |
Packing Director |
2 |
Al: 4~6mm 0.16~0.24in |
406mm (+3, -3) 16in(+0.12,-0.12) |
Max 1800mm Max 70.87in Min 1455mm Min 57.28in |
Max 11000kg Max 24250lbs Min 7000kg Min 15432lbs |
Eye to sky Counter Clockwise |
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