COPPER BASE ALLOY STRIP GUIDE (cont.)

NOTE: This information is presented for alloy comparison purposes and is not intended for use as purchasing specifications. The user shall employ such information at their own discretion and risk.
  COPPERS FE-CU BRASSES LEADED BRASSES TIN BRASSES
Alloy No. C102 C110 C122 C194 C210 C220 C230 C240 C260 C268 C353 C425
ASTM Spec. No. B152 B152 B152 B465 B36 B36 B36 B36 B36 B36 B121 B591

DENSITY
Lbs. Per cu. In. at 680 F
(x27.68=gms/cu cm at 200C)
0.323 0.322 0.323 0.322 0.32 0.318 0.316 0.313 0.308 0.306 0.306 0.317
MOD. OF ELAST.
x106 PSI, tension
(Kgf/mm2 = KSI x .7031)
17 17 17 17 17 17 17 16 16 15 15 16
ELECT. COND.
%IACS at 680F (200C)
as annealed or mill hardened
101 101 85 60 56 44 37 32 28 27 26 28
THERM. COND.
BTU per sq. ft. per ft.
per hr. per 0F at 680F, (200C)
226 226 196 150 135 109 92 81 70 67 67 69
COEF. OF TH. EXP.
Inches/inch/0F x106 from 680F
to 5720F (200C to 3000C)
9.8 9.8 9.8 9.7 10 10.2 10.4 10.6 11.1 11.3 11.3 10.2
TENSILE STRENGTH x 1000 PSI
(Kgf/mm2 = KSI x .7031)
YIELD STRENGTH x 1000 PSI
(Nominal 0.2% offset or range) (Kgf/mm2 = KSI x .7031)

ANNEALED 26-38 40-63 34-40 36-42 39-47 44-54 45-61 44-61 46-54 41-47
10 38 10 12 13 20 21 23 21 17
1/4 HARD 34-42   37-47 40-50 44-54 48-58 49-59 49-59 49-59 49-59
32   30 33 35 29 33 34 29 37
1/2 HARD 37-46 53-63 42-52 47-57 51-61 55-65 57-67 55-65 55-65 57-69
37 45 44 47 48 42 51 44 42 58
3/4 HARD 41-50   46-56 52-62 57-67 61-71 64-74 62-72 62-72 62-74
43   50 54 55 53 62 53 55 64
HARD 43-52 60-70 50-59 57-66 63-72 68-77 71-81 68-78 68-78 70-82
45 60 53 58 61 61 72 57 67 72
EXTRA HARD 47-56 67-73 56-64 64-72 72-80 78-87 83-92 79-89 79-89 76-88
50 67 59 63 68 68 83 67 78 79
SPRING 50-58 70-76 60-68 69-77 78-86 85-93 91-100 86-95 86-95 84-94
52 70 63 68 72 76 86 71 84 90
EXTRA SPRING 52 Min 73-80 61-69 72-80 82-90 89-97 95-104 90-99 90-99 92 Min
51 Min 73 64 70 76 78 89 73 88 87 Min
ELONGATION Nominal % in 2 inches
(= % in 50mm)
ROCKWELL B HARDNESS Nominal -.20%" gauge and over
(Rockwell F, 30T, or 15N where noted)
ANNEALED 35 23 45 47 45 50 53 52 56 48
    45F 65F 71F 70F 75F 75F 72F 72F
1/4 HARD 23   30 27 27 26 46 42 48 35
72F   36 41 47 51 52 52 52 59
1/2 HARD 20 17 17 12 14 18 30 36 35 20
83F 59 50 58 63 66 68 65 65 70
3/4 HARD 14   9 6 8 10 16 25 21 15
86F   57 64 71 74 77 75 75 79
HARD 9 7 5 4 7 4 10 19 12 9
89F 71 62 70 76 80 82 80 80 85
EXTRA HARD 4 2 2 Max 2 4 2 3 7 6 6
91F 74 68 75 81 86 88 86 86 90
SPRING 3 2 2 Max 1Min 3 1 Min 1 Min 5 4 4
94F 76 71 78 84 89 91 89 89 92
EXTRA SPRING 3 Max 2 Max 2 Max 1 Max 2 Min 1 Max 1 MIn 5 Max 5 Max 2 Max
92 MinF 77 72 80 86 90 93 90 90 92 Min

Manufacturer's laboratory or published data.



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