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Comparative Specifications |
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Nominal Chemical Analysis |
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Mechanical Properties |
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| TECHNI-CAST |
MB1 |
MB2 |
MB3 |
MB4 |
YB1 |
YB2 |
YB3 |
YB4 |
| FEDERAL |
QQ-C-390A, CA 865 |
QQ-C-390A, CA 862 |
QQ-C-390A, CA 863 |
QQ-C-390A, CA 864 |
QQ-C-390A, CA 855 |
QQ-C-390A, CA 857 |
QQ-C-390A, CA 854 |
QQ-C-390A, CA 852 |
| QQ-C-390, C3 |
QQ-C-390, C4 & C5 |
QQ-C-390. C6 & C7 |
QQ-C-390, C2 |
QQ-C-390, A5 |
QQ-C-390, A1 & A2 |
QQ-C-390, A4 |
QQ-C-390, A4 |
| QQ-B-726e, CI. A |
QQ-B-726e, CI. B |
QQ-B-726e, C1.C |
QQ-B-726e, CI. D |
|
QQ-B-621b, CI. B |
QQ-B-621b, CI. B |
QQ-B-621b, C1. C |
| (QQ-B-728, CI. A) |
|
(QQ-B-728, CI. B) |
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| MILITARY |
MIL-C-15345g, #4 |
MIL-C-15345g, #5 |
MIL-C-15345g, #6 |
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MIL-C-15345g, #2 |
MIL-C-15345g, #3 |
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| MIL-C-15345A, #8 |
MIL-C-15345A, #9 |
MIL-C-15345A, #10 |
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MIL-C-15345A, #7 |
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| MIL-B-16443, CI. 1 |
MIL-B-16522, CI. 2 & 3 |
MIL-B-16522, CI.1 |
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| NAVY |
49B3f, CI.a |
46B29a, CI.b |
46B29a, CI.a |
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46B10h |
46B11h, Gr. I |
46B11h, Gr. II |
| ASTM |
B-147, CA 865 |
B-147, CA 862 |
B-147, CA 863 |
B-147, CA 864 |
|
B-146, CA 857 |
B-146, CA 854 |
B-146, CA 852 |
| B-147, 8A |
B-147, 8B |
B-147, 8C |
B-147, 7A |
|
B-146, 6C |
B-146, 6B |
B-146, 6A |
| B-584, C86500 |
B-584, CA86200 |
B-22, C86300 |
B-584, C86400 |
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B-584, C85700 |
B-584, C85400 |
B-584, C85200 |
| B-271, C86500 |
B-271, CA86200 |
B-584, C86300 |
B-271, C86400 |
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B-271, C85700 |
B-271, C85400 |
B-271, C85200 |
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B-271, C86300 |
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| SAE |
C86500 |
C86200 |
C86300 |
C86400 |
C85500 |
C85700 |
C85400 |
C85200 |
| 43 |
430A |
430B |
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41 |
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| AMS |
4860 |
|
4862 |
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| COPPER |
58.00 |
64.50 |
64.00 |
59.00 |
61.00 |
63.00 |
67.00 |
72.00 |
| TIN |
.75 |
|
|
.75 |
.75 |
1.00 |
1.00 |
1.00 |
| LEAD |
|
|
|
1.00 |
|
1.00 |
3.00 |
3.00 |
| ZINC |
38.75 |
24.75 |
24.00 |
36.75 |
37.50 |
34.75 |
29.00 |
24.00 |
| IRON |
1.00 |
3.00 |
3.00 |
1.00 |
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| ALUMINUM |
1.00 |
4.50 |
5.75 |
1.00 |
.75 |
.25 |
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| MANGANESE |
.50 |
3.25 |
3.25 |
.50 |
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| TENSILE STRENGTH psi |
75,000 |
100,000 |
115,000 |
66,000 |
62,000 |
50,000 |
37,000 |
38,000 |
| YIELD STRENGTH psi |
32,000 |
55,000 |
80,000 |
26,000 |
25,000 |
18,000 |
14,000 |
15,000 |
| ELONGATION % |
30 |
20 |
16 |
25 |
40 |
40 |
38 |
38 |
| HARDNESS, BRINELL |
156 |
210 |
228 |
132 |
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