| DESCRIPTION
OF THE MATERIAL: |
| Containing
apporoximately 1% Chromium and 0,1% Zirconium, this alloy possesses
good hardness and high electrical and thermal conductivity after forging
and heat treatment processes. |
| APPLICATIONS: |
| Spot
welding electrodes, electrode holders and seam welding discs in resistance
welding. Electrodes for spark erosion. Moulds for continuous casting
of Steel and Aluminium. Electrical components working under mechanical
stress. Dies working under low pressure in casting of non ferrous
metals. |
| MECHANICAL
PROPERTIES: |
| Tinsile
Strenght Rm |
:
370 - 440 N / mm2 |
| Yield
Strenght Rp 0,2 |
: 270 - 350 N / mm2 |
| Elongation
(A5) |
:
10 - 18 %min |
| Hardness
(Brinell) |
:
135 HB30 |
| Hardness
(Rockwell) |
:
75 HrB |
| Elastic
Modulus |
:
120 x 103 N/ mm2 |
| PHYSICAL
PROPERTIES : |
| Density |
:
8.9 g/cm3 |
| Specific
Heat |
: 0,38 j/G.K |
| Electrical
Conductivity |
:
45 - 49 MS/m |
| Electrical
Conductivity
(I.A.C.S) |
:
70 - 76 % |
| Thermal
Conductivity |
:
320 W/m.K |
| Coefficient
of Thermal Expansion |
:
20 - 100oC 17,0 x 10-6 /K |
| Working
Temparature |
:
500oC max |
|