企業牌號
Enterprise grade
合金名稱
Alloy Designation
化學成分
Nominal
Composition%
硬度
Hardness
導電率
Electrical Conductivity
IACS%
高溫軟化溫度
Softening
Temperature℃
抗拉強度
Tensile Strength MPa
等效國際標準
RWMA Alloy
Number
DM-C1
CUCrZr
Cr:0.5-1.4
Zr:0.02-0.2
HRB80-60
78-84
600
530
ISO5182
DM-C2
NBC
Be:0.38-0.46
Ni:1.4-2.1
HRB80-86
45-56
650
830
Class3
C17510
DM-C3
CuCo2Be
Be:0.4-0.7
Co:2.0-2.8
HRC37-44
58-62
850
DM-C4
Qbe2
Be:1.9-2.1
HRC35-45
18-24
700
1000
Class4
C17200
DM-C5
CuNi2Si
Ni:1.6-2.5
Si:0.5-0.8
Cr:0.4-0.6
HRB95-100
26-30
800
C18000