LEADED TIN BRONZES
Comparative Specifications
Nominal Chemical Analysis
Mechanical Properties
TECHNI-CAST 814 624 1020 555
FEDERAL QQ-C-390A, CA 923 QQ-C-390A, CA 922 QQ-C-390A, CA 836
QQ-C-390, D3 QQ-C-390, D4 QQ-C-390, B5
QQ-B-1005, Comp. 10 QQ-B-1005, Comp. 1 QQ-B-1005, Comp. 2
MILITARY MIL-C-15345g, #10 MIL-C-15345g, #9 MIL-C-15345g, #1
MIL-C-15345A, #4 MIL-C-15345A, #2 MIL-C-15345A, #1
MIL-B-16541B MIL-B-16444A, Gr. A
NAVY 46B5j, Gr. I & II 46B8i, Gr. I 46B23e, Gr. A
45F12 45B5d, Gr. B
ASTM B-143, CA 923 B-143, CA 922 B-145, CA 836
B-143, 2B B-143, 2A B-145, 4A
B-271, C92300 B-271, C92200 B-62
B-584, C92300 B-584, C92200 B-584, C83600
B-61 B-271, C83600
SAE C92300 C92200 C92700 C86300
621 622 63 40
-791
AMS 4855B
COPPER 87.25 88.50 88.00 85.00
TIN 8.00 6.00 10.00 5.00
LEAD 0.75 1.50 2.00 5.00
ZINC 4.00 4.00 5.00
TENSILE STRENGTH, psi 40,000 40,000 42,000 35,000
YIELD STRENGTH, psi 20,000 18,000 23,000 20,000
ELONGATION, % 25 30 18 25
Wrought specifications are listed in parenthesis.