COPPER BASE ALLOY STRIP GUIDE

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.
  PHOSPHOR BRONZES HIGH PERFORMANCE ALLOY Cu-Ni-Sn NICKEL SILVERS BERYLLIUM COPPERS
Alloy No. C510 C511 C521 C688 C725 C752 C762 C770 C17510 C170 C172
ASTM Spec. No. B103 B103 B103 B592 B122 B122 B122 B122 ----- B194 B194

DENSITY
Lbs. Per cu. In. at 680 F
(x27.68=gms/cu cm at 200C)
0.32 0.32 0.318 0.296 0.321 0.316 0.31 0.314 0.317 0.304 0.298
MOD. OF ELAST.
x106 PSI, tension
(Kgf/mm2 = KSI x .7031)
16 16 16 17 20 18 18 18 19 19 19
ELECT. COND.
%IACS at 680F (200C)
as annealed or mill hardened
15 20 13 18 11 6 9 5.5 58 22 22
THERM. COND.
BTU per sq. ft. per ft.
per hr. per 0F at 680F, (200C)
40 48.4 36 47 31 19 24 17 144 60 60
COEF. OF TH. EXP.
Inches/inch/0F x106 from 680F
to 5720F (200C to 3000C)
9.9 9.9 10.1 10.1 9.2 9 9 9.3 10.0 9.7 9.7
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
(TM00 / AM)
46-56 46-54 56-65 77-87 45-65 53-63 57-75 61-76   100 Min 100 Min
24 22 29 52 21 25 36 32   70-95 70-95
1/4 HARD
(TM01 / 1/4 HM)
49-61 46-58 63-75 87-101 55-75 58-72 65-81 69-87   110 Min 110 Min
37 35 48 76 73 Max 45 52 63   80-110 80-110
1/2 HARD
(TM02 / 1/2 HM)
58-73 55-70 69-84 97-112 65-80 66-80 75-91 78-95 100-130 120 Min 120 Min
57 56 63 92 68 63 70 78 90-110 95-125 95-115
3/4 HARD
(TM03)
68-79 67-82 80-92     74-86 83-98 88-101      
68 72 77     75 82 92      
HARD
(TM04 / HM)
76-91 72-87 85-100 106-120 75-90 78-91 90-105 92-107 110-140 135 Min 135 Min
81 76 86 101 80 82 89 98 95-130 110-135 110-135
EXTRA HARD
(TM05 / SHM)
88-103 84-99 97-112 113-127 80-95 86-98 101-114 102-115   150 Min 150 Min
93 88 99 108 85 91 98 107   125-145 125-145
SPRING
(TM06 / XHM)
95-110 91-105 105-119 123-133 85-100 90-101 109-122 108-120   155 Min 155 Min
100 94 106 114 90 93 105 112   135-160 135-170
EXTRA SPRING
(TM08 / XHMS)
100-114 96-109 110-122 125 Min 90-105 96 Min 114 Min 116 Min     175 Min
104 98 110 112 Min 95 95 Min 102 Min 115 Min     150-175
ELONGATION Nominal % in 2 inches
(= % in 50 mm)
ROCKWELL B HARDNESS Nominal-.20%" gauge and over
(Rockwell F, 30T, 15N or H* as noted)
ANNEALED
(TM00 / AM)
55 47 63 35 35 35 40 43   18 Min 16 Min
78F 75F 86F 68(30T) 50Max30T 85F 90F 87F   220-260H * 220-260H *
1/4 HARD
(TM01 / 1/4 HM)
41 36 50 19 5 Min 24 35 26   15 Min 15 Min
60 46 74 90 85 Max 62 73 75   240-280H * 240-280H *
1/2 HARD
(TM02 / 1/2 HM)
24 21 37 9 10 14 18 14 8 12 Min 12 Min
72 67 80 95 80 75 84 86   260-310H * 260-310H *
3/4 HARD
(TM03)
15 10 25     8 10 8      
82 78 89     81 88 90      
HARD
(TM04 / HM)
10 7 21 4 3 5 4 4 6 9 Min 9 Min
88 85 93 97 82 85 92 93   300-350H * 300-350H *
EXTRA HARD
(TM05 / SHM)
4 3 13 2 2 3 2 1 Min   9 Min 9 Min
92 90 96 98 87 90 96 97      
SPRING
(TM06 / XHM)
2 Min 3 6 1 Min 1 Min 1 Min 1 Max 1 Max   3 Min 4 Min
95 92 98 99 90 92 98 98      
EXTRA SPRING
(TM08 / XHMS)
2 2 4 2 Max 1 Max 2 Max 1 Max 1 Max     3 Min
96 93 99 99 Min 91 92 Min 98 Min 98 Min      

* NOTE: Alloys use standard english temper designations except Beryllium Coppers which use either temper in parenthesis (Mill Hardened Tempers). Manufacturer's laboratory or published data.





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