Low Temperature Mechanical Properties Of Copper and Selected ...

Hardness of 60Cu-40Zn (Muntz Metal)
CURVE
NO.
Cu
Zn
COMPOSITION (w«ight%)
Sn AC Ni Other
REF.
NO.
TEMPERATURE, °F
-460-400 -300 -200 -100 0 100 ZOO 300 400 500
180
131
439
Brinell - 3000 kgm. load.
Brinell.
M). 4 39. 3
O.ZPb
131
439
160
120
5100
E
\
80
60
[131]
40
20
200 300 400
TEMPERATURE, °K
500
Impact Energy of 60Cu-40Zn (Muntz Metal)
TEMPERATURE, °F
-460-400 -300 -200 -100 0 100 200 300 400 500
CURVE
NO.
MATERIAL AND T-EST PARAMETERS
Cu
Zn
COMPOSITION (weight*)
Sn At Ni Other
REF.
NO.
45*
Annealed 1022 «F -i hr§. - CO s atmo«. Sample (Allemande
type): V -notch - 45* -3mm. deep -8 X 10 X 100mm. cro»-
aection.
60.0
40.0
45
45c
45* - 3mm. deep - 6 X 10 X 100mm. croas-«ection.
60.0
40.0
45
54*
Annealed 1292'F - 4 hrs. - bar supplied - 1/2 inch square. 61
39
54
•ample* did not fracture completely: bent 65*. temp,
accuracy = ± 2'F.
61
39
51
188
308«
Plate supplied. C harpy V -notch.
Annealed. C harpy keyhole
61. 1
61
38.7
39
0.2Pb
IBS
308
308b
329a
Drawn 27%. Charpy keyhole.
61
39
0. IFe
308
329
10 to 15 tests/temp.
329b
Standard Charpy V-notch except for length: I, 36 inches.
Other specifications same as 329a,
60.9 39.0
0. IFe
329
365
Annealed - Brinell hardness = 93. Sample ASTM
59.9 40.0
365
tested longitudinally.
100 200 300 4OO
TEMPERATURE, °K
93