COPPER AND BRASS ALLOY GUIDE
NOTE: This is not a comprehensive data of all alloys available by meta copper. Contact Meta Copper if additional alloys or tempers are required. This information is presented for alloy comparison purpose and is not intended for use as purchase specifications.
Meta Copper & Alloys Ltd
Brasses
Copper
CDA No. 280 63/37 268 67/33 260 240 230 220 210 110 122 120
ASTM/DIN Spec. No. B36 DIN 17660/670 B36 DIN 17660/670 B36 B36 B36 B36 B36 B152 B152 B152
Meta Alloy Name Muntz Metal Common brass Yellow Brass Yellow Brass Cartridge Brass Low Brass Red Brass Comm Bronze Gilding Metal ETP Copper DHP Copper DLP
Normal Composition Cu - 60 Cu - 63 Cu - 66 Cu - 67 Cu - 70 Cu - 80 Cu - 85 Cu - 90 Cu - 95 Cu-99.9 min, Oxygen-0.05 mx Cu - Min 99.9, P - 0.015 - 0.04 Cu-99.9, P-0.004-0.012
Zn - 40 Zn - 37 Zn - 34 Zn - 33 Zn - 30 Zn - 20 Zn - 15 Zn - 10 Zn - 05
Density 1 0.303 0.305 0.306 0.308 0.308 0.313 0.316 0.318 0.32 0.323 0.321 0.321
Mod. of Elast. 2 15 14 15 16 16 16 17 17 17 17 17 17
Elect. Cond. 3 28 26 27 28 28 32 37 44 56 100 85 96-100
Therm. Cond. 4 71 66 67 70 70 81 92 109 135 226 196 210
Coef. of Th. Exp. 5 11.6 11.4 11.3 11.1 11.1 10.6 10.4 10.2 10 9.8 9.8 9.8
ANNEALED Tensile 6 44-65 43 - 54 44-61 41 - 52 45-61 44-54 39-47 36-42 34-40
26-38
Elong. 7 35-40 43 Min 43 Min 45 Min 45 Min 42 Min 40 Min 40 Min 40 Min
35
1/4 HARD Tensile 50-62 NA 49-59 NA 49-59 48-58 44-54 40-50 37-47
34-42
Elong. 25 Min   35 Min   35 Min 30 Min 28 Min 25 Min 23 Min
23
1/2 HARD Tensile 58-70 54 - 64 55-65 52 - 62 57-67 55-65 51-61 47-57 42-52
37-46
Elong. 50-52 24 Min 24 Min 28 Min 30 Min 25 Min 22 Min 17 Min 16 Min
20
3/4 HARD Tensile 60-75 NA 62-72 NA 64-74 61-71 57-67 52-62 46-56
41-50
Elong. 9 Min   6 Min   8 Min 10 Min 5 Min 6 Min 8 Min
14
HARD Tensile 70-85 64 - 78 68-78 62 - 77 71-81 68-77 63-72 57-66 50-59
43-52
Elong. 7 Min 8 Min 8 Min 10 Min 08 Min 09 Min 08 Min 04 Min 05 Min
9
EX. HD. Tensile 82-95 NA 79-89 NA 83-92 78-87 72-80 64-72 56-64
47-56
Elong.     6 Min   5 Min 4 Min 4 Min 2 Min 2 Max
4
SPRING Tensile   78 - 88 86-95 77 Min 91-100 85-93 78-86 69-77 60-68
50-58
Elong.     3 Min   3 Min 3 Min 3 Min 1 Min 2 Max
3
EX. SPR. Tensile   88 Min 90-99 NA 95-104 89-97 82-90 72-80 61-69
52 Min
Elong.     2 Max   2 Max 1 Max 3 Max 1 Max 2 Max
3 Max
(1) Lbs.per cu. In at 680F (annealed) (x27.68 gms./cu.cm. At 20 0C) (2) 106 PSI, tension (3) % IACS at 680F (200C) as annealed (4) BTU per sq. ft. per ft. per hr. per F0 at 680F(200C) (5) Inches/inch / 0FX106 from 680F to 5720F (200C to 3000C) (6) X 1000 PSI (7) % in 2 inches
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