Electrolytic Copper Cu ETP (Cu a1)

Cu ETP
CW 004 A
Cu a 1
 
Chemical composition
in %
CuOBiPb
≥ 99,90≤ 0,04≤ 0,0005≤ 0,005
 
Properties
Electrolytic copper for electric use. Excellent thermal conductivity. Good machinability. Sensible to heat treatment and reducing atmospheres. Due to its oxygen content, soldering and welding properties are limited.
 
Applications
Manufacture of profiles for electrical use. Spark erosion electrodes. Contact bars for electric boards and electric cabinets. Tables and supports on spot welding machines. Small series spot welding electrodes.
 
Mechanical properties
• Bars (EN 13601)
Temper
Hardness
HB
Cold drawn H 06565-90
Extruded MNot guaranteed
CastedNot guaranteed

• Sheets and Plates (EN 1652)
Temper

U.T.S.

MPa
Y.S. 0.2%

MPa
Elongation
e≤ 2,5 mm
%
Elongation
e > 2,5 mm
%
R 200200-250≤ 100-≤ 42
R 220220-260≤ 140≤ 33≤ 42
R 240240-300≥ 180≤ 8≤ 15
 
Physical properties
Annealed condition
Thermal conductivityCoeff. of thermal expansionElectrical resistivityElectrical conductivity
(20 C)(0-300 C)  
W/(m.k)10-6 /CMS/m*% IACS
39417.7≥ 58100
* 1MS/m = 1m/(Ω.mm2)
 
Size range
available or from European central stock, short delivery time
• Round bars
Product designationØ (min. → max.)
mm
Cold drawn round bars
H 065
Ø > 5 mm: straight section
6 → 80
Extuded round bars
M
55 → 160
Casted billets176 → 305

• Flat bars
Product designationWidth (min. → max.)
mm
Thickness (min. → max.)
mm
Flat bars
Half-hard H12
10 → 2002 → 50

• Square bars
Product designationDimension (min. → max.)
mm
Square bars
Section ≤ 60: cold drawn H 065 ; section > 60: extruded M
10 → 100

• Sheets
Product designationFormat (min. → max.)
mm
Thickness (min. → max.)
mm
Cold rolled sheets
R 200
1000 x 2000 → 1000 x 20002 → 3
Cold rolled sheets
R 220
1000 x 2000 → 1000 x 20001.5 → 1.5
Cold rolled sheets
R 240
1000 x 2000 → 1000 x 20000.5 → 40
All statements as to the properties or utilisation of the materials and products mentioned in the catalogue are for the purpose of description only. Guarantees in respect of the existence of certain properties or utilisation of the material and products are valid only if agreed upon in writing.

Electrolytic Copper Cu ETP (Cu a1)