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Aluminum Plate
QC-7
Description

A high strength 7XXX series aluminum mold plate product produced by Alcoa. QC-7 is a heat treated and stress relieved plate product that has outstanding and consistent hardness, excellent texturing and polishing characteristics, and has good weldability. QC-7 is suitable for use in injection and blow molds, structural foam molds, RIM molds, and can also be used in die set applications.

Typical Applications
  • Die Sets
  • Injection and Blow Molds
  • Structural Foam Molds
  • Rim Molds
Chemical Composition
  • Proprietary - Alcoa
Mechanical Properties
Thickness Tensile KSI Yield KSI Elongation%
  Typical Minimum Typical Minimum Typical Minimum
2"
86
80
79
74
10
5
3"
85
80
78
73
8
4
4"
84
79
77
72
6
4
5"
83
79
76
72
5
3
6"
81
78
74
71
4
2
7"
79
75
72
68
3
1
8"
76
72
70
64
2
1
9"
N/A
69
N/A
62
N/A
0.5
10"
N/A
67
N/A
60
N/A
0.5
Flatness Properties
Thickness Longtitudinal Transverse Short Cycle
1" thru 3"
0.125
0.125
0.075
3-1/4" thru 8"
0.125
0.125
0.125
9"
0.500
0.500
0.150
10"
0.500
0.500
0.150
Gauge Tolerances
 
Thickness Range Width Thru 60.5"
1.000 - 1.575
+ .068/- .000
1.576 - 2.362
+ .100/- .000
2.363 - 3.150
+ .140/- .000
3.151 - 3.937
+ .190/- .000
3.938 - 6.000
+ .250/- .000
6.010 - 8.000
+ .280/- .000
9
+ .400/- .000
10
+ .400/- .000
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