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Phone: (562) 926-1326, (714) 522-3412 Fax: (562) 926-4936E-mail: tharrison@johnsonaluminum.com |
Material Specifications
Mechanical Properties |Chemical Composition |Linear Tolerances |Machine Finish Allowance
For Commonly Used Sand And Permanent Mold Casting Alloys
|
Alloy |
Temper |
Process |
Tensile Strength (KSI) |
Enlongation In 2 Inches |
Brinell Hardness |
|
|
Ultimate |
Yield |
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|
328/808 |
Self Aging |
Sand |
28 |
16 |
2% |
60 |
|
328/808 |
Self Aging |
P~Mold |
32 |
19 |
2.5% |
70 |
|
356 |
T~51 |
Sand |
25 |
20 |
2% |
60 |
|
356 |
T~6 |
Sand |
33 |
24 |
3.5% |
70 |
|
356 |
T~51 |
P~Mold |
27 |
20 |
2% |
|
|
356 |
T~6 |
P~Mold |
38 |
28 |
4% |
80 |
|
A~356 |
T~51 |
Sand |
26 |
18 |
3% |
|
|
A~356 |
T~6 |
Sand |
40 |
30 |
6% |
75 |
|
A~356 |
T~51 |
P~Mold |
29 |
20 |
5% |
|
|
A~356 |
T~6 |
P~Mold |
41 |
30 |
8% |
60 |
|
Alloy |
Silicon |
Iron |
Copper |
Manganese |
Magnesium |
Chromium |
Nickel |
Zinc |
Titanium |
Others |
|
|
328/808 |
7.5-8.5 |
1.0 |
1.0-2.0 |
0.20-0.6. |
0.20-0.6 |
0.35 |
0.25 |
1.5 |
0.25 |
|
|
|
356 |
6.5-7.5 |
0.6 |
0.25 |
0.35 |
0.20-0.45 |
|
|
0.35 |
0.25 |
0.05 |
|
|
A~356 |
6.5-7.5 |
0.20 |
0.20 |
0.10 |
0.25-0.45 |
|
|
0.10 |
0.20 |
0.05 |
|
~ One Side Of Parting Line Tolerance, In.
|
Sand Casting * |
Permanent Mold |
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|
Basic Tolerance |
+/~0.030 |
Basic Tolerance |
+/~0.015 |
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|
Up Thru 6 In. |
Up Thru 1 In. |
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|
Additional Tolerance |
Additional Tolerance |
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|
For Each Additional |
For Each Additional |
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|
Inch Over 6 In. |
+/~0.003 |
Inch. |
+/~0.002 |
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|
Greatest Dimensions, In. |
|
Cores In |
|
|
|
Sand |
Sand |
Shell |
Perm. Mold |
|
|
Up To 6 |
.060 |
.060 |
.060 |
.045 |
|
Over 6 To 12 |
.090 |
.090 |
.060 |
.060 |
|
Over 12 To 18 |
.120 |
.120 |
.090 |
.075 |
|
Over 18 To 24 |
.150 |
.180 |
.120 |
.090 |
|
Over 24 |
Please Consult Foundry |
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