Bronze strips

Laminated bronze strip in coil for industrial applications. Wide variety of sizes adapted to the needs of our customers.

Data sheet: Bronze strips

Copper strips are used in a wide variety of industrial applications and are characterised by high electrical and thermal conductivity – ideal for use in electrical components such as connectors, terminals, and conductors in electrical and electronic devices.

Copper is a highly malleable and ductile material, which allows copper strip to be bent and formed into complex shapes without breaking, and has very good corrosion resistance in most environments, including marine and polluted air. This extends the life of copper strip products, especially in outdoor applications or in harsh conditions.

Material Designation Chemical Composition in % (m/m) Density g/cm3
Symbolic Numerical Element Cu Al As Be C Co Fe Mn Ni P Pb S Si Sn Zn total others approx.
CuSn4 CW450K min. Rest - - - - - - - - 0,01 - - - 3,5 - - 8,9
max. - - - - - - 0,1 - 0,2 0,4 0,02 - - 4,5 0,2 0,2
CuSn5 CW451K min. Rest - - - - - - - - 0,01 - - - 4,5 - - 8,9
max. - - - - - - 0,1 - 0,2 0,4 0,02 - - 5,5 0,2 0,2
CuSn6 CW452K min. Rest - - - - - - - - 0,01 - - - 5,5 - - 8,8
max. - - - - - - 0,1 - 0,2 0,4 0,02 - - 7 0,2 0,2
CuSn8 CW453K min. Rest - - - - - - - - 0,01 - - - 7,5 - - 8,8
max. - - - - - - 0,1 - 0,2 0,4 0,02 - - 8,5 0,2 0,2
CuSn3Zn9 CW454K min. Rest - - - - - - - - - - - - 1,5 7,5 - 8,8
max. - - - - - - 0,1 - 0,2 0,2 0,1 - - 3,5 10,0 0,2
   
EN DIN ASTM BS JIS SN
Symbolic Numerical Symbolic Numerical
CuSn5 CW451K - - C51000 PB102 C5102 CuSn5
CuSn4 CW450K CuSn4 2.1016 C51100 PB101 C5111 -
CuSn6 CW452K CuSn6 2.1020 C51900 PB103 C5102 CuSn6
CuSn8 CW453K CuSn8 2.1030 C52100 PB104 C5212 -
C5210
CuSn5Pb1 CW458K - . C53400 - C5341 CuSn5Pb1
CuSn4Pb4Zn4 CW456K - . C54400 - C5441 CuSn4Pb4Zn4
CuAl9Ni3Fe2 CW304G - - - - - -
CuAl10Fe1 CW305G SG-CuAl10Fe 2.0937 C61800 CA103 - CuAl10Fe1
CuAl10Fe3Mn2 CW306G CuAl10Fe3Mn2 2.0936 - - - CuAl10Fe3Mn2
CuAl10Ni5Fe4 CW307G CuAl10Ni5Fe4 2.0966 C63000 - - CuAl10Ni5Fe4
CuAl11Fe6Ni6 CW308G CuAl11Fe6Ni6 2.0978 - - - -
Designations Nominal thickness mm Tensile Strength Rm N/mm2 Yield Limit at 0,2% Rp0.2 N/mm2 Elongation A50 mm para Thicknesses up to 2,5mm inc. % min. A for thicknesses greater than 2.5mm % min. Hardness HV Grain size mm
Material Metallurgical State
Symbolic Numerical from up to and including min. max min. max min. max.
CuSn4 CW450K R290 0,1 5 290 390 (max. 190) 40 50 - - - -
H070 - - - - - 70 100 - -
R390 0,1 5 390 490 (min. 210) 11 13 - - - -
H115 - - - - - 115 155 - -
R480 0,1 5 480 570 (min. 420) 4 5 - - - -
H150 - - - - - 150 180 - -
R540 0,1 2 540 630 (min. 490) 3 - - - - -
H170 - - - - - 170 200 - -
R610 0,1 2 610 - (min. 540) - - - - - -
H190 - - - - - 190 - - -
CuSn5 CW451K
R310 0,1 5 310 390 (max. 250) 45 55 - - - -
H075 - - - - - 75 105 - -
R400 0,1 5 400 500 (min. 240) 14 17 - - - -
H120 - - - - - 120 160 - -
R490 0,1 5 490 580 (min. 430) 8 10 - - - -
H160 - - - - - 160 190 - -
R550 0,1 2 550 640 (min. 510) 4 - - - - -
H180 - - - - - 180 210 - -
R630 0,1 2 6340 720 (min. 600) 2 - - - - -
H200 - - - - - 200 230 - -
R690 0,1 2 690 - (min. 670) - - - - - -
H220 - - - - - 220 - - -
CuSn6 CW452K
R350 0,1 5 350 420 (max. 300) 45 55 - - - -
H080 - - - - - 80 110 - -
R420 0,1 5 420 520 (min. 260) 17 20 - - - -
H125 - - - - - 125 165 - -
R500 0,1 5 500 590 (min. 450) 8 10 - - - -
H160 - - - - - 160 190 - -
R560 0,1 2 560 650 (min. 500) 5 - - - - -
H180 - - - - - 180 210 - -
R640 0,1 2 640 730 (min. 600) 3 - - - - -
H200 - - - - - 200 230 - -
R720 0,1 2 720 - (min. 690) - - - - - -
H220 - - - - - 220 - - -
CuSn8 CW453K
R370 0,1 5 370 450 (max. 300) 50 60 - - -
H090 - - - - - 90 120 -
R450 0,1 5 450 550 (min. 280) 20 23 - - -
H135 - - - - - 135 175 -
R540 0,1 5 540 630 (min. 460) 13 15 - - -
H170 - - - - - 170 200 -
R600 0,1 5 600 690 (min. 530) 5 7 - - -
H190 - - - - - 190 220 -
R660 0,1 2 660 750 (min. 620) 3 - - - -
H210 - - - - - 210 240 -
R740 0,1 2 740 - (min. 700) 2 - - - -
H230 - - - - - 230 - -

TOLERANCES ON THICKNESS OF HOT-ROLLED PRODUCTS

Nominal thickness Tolerances on thickness, for nominal widths of
Up to and including 700 Greater than 700, up to and inc. 1000 Greater than 1000, up to and inc. 1500 Greater than 1500
greather than up to and including 1) 2) 1) 2) 1) 2)
- 2,5 By agreement By agreement By agreement By agreement
2,5 5,0 ± 0,25 ± 0,30 ± 0,30 ± 0,35 ± 0,35 ± 0,45
5,0 7,5 ± 0,35 ± 0,45 ± 0,40 ± 0,50 ± 0,45 ± 0,55
7,5 10 ± 0,45 ± 0,60 ± 0,50 ± 0,65 ± 0,55 ± 0,75
10 15 ± 0,75 ± 0,95 ± 0,80 ± 1,00 ± 0,90 ± 1,10
15 25 ± 0,95 ± 1,20 ± 1,05 ± 1,30 ± 1,30 ± 1,60
25 50 ± 1,30 ± 1,60 ± 1,40 ± 1,75 ± 1,50 ± 1,90
50 - ± 1,50 ± 1,90 ± 1,65 ± 2,05 ± 1,80 ± 2,20
1) For all materials, except CuAl8Fe3 (CW303G), CuNi10Fe1Mn (CW352H), CuNi30Mn1Fe (CW354H) y CuZn20Al2As (CW702R)
2) For all alloys CuAl8Fe3 (CW303G), CuNi10Fe1Mn (CW352H), CuNi30Mn1Fe (CW354H) y CuZn20Al2As (CW702R)

TOLERANCES ON THICKNESS OF COLD ROLLED PRODUCTS

Nominal thickness Tolerances on thickness, for nominal widths of a
greather than up to and including Up to and including 350 greather than 350 Up to and including 700 Greater than 700, up to and inc. 1000 Greater than 1000, up to and inc. 1250
0.1b 0,2 ± 0,018 - - -
0,2 0,3 ± 0,022 ± 0,03 ± 0,04 -
0,3 0,4 ± 0,025 ± 0,04 ± 0,05 ± 0,07
0,4 0,5 ± 0,03 ± 0,05 ± 0,06 ± 0,08
0,5 0,8 ± 0,04 ± 0,06 ± 0,07 ± 0,09
0,8 1,2 ± 0,05 ± 0,07 ± 0,09 ± 0,10
1,2 1,8 ± 0,06 ± 0,08 ± 0,10 ± 0,11
1,8 2,5 ± 0,07 ± 0,09 ± 0,11 ± 0,13
2,5 3,2 ± 0,08 ± 0,10 ± 0,13 ± 0,17
3,2 4,0 ± 0,10 ± 0,12 ± 0,15 ± 0,20
4,0 5,0 ± 0,12 ± 0,14 ± 0,17 ± 0,23
5,0 6,0 ± 0,14 ± 0,16 ± 0,20 ± 0,26
6,0 7,0 ± 0,16 ± 0,19 ± 0,23 ± 0,29
7,0 8,0 ± 0,18 ± 0,22 ± 0,26 ± 0,32
8,0 9,0 ± 0,20 ± 0,25 ± 0,29 ± 0,35
9,0 10,0 ± 0,22 ± 0,28 ± 0,32 ± 0,38
a For all alloys CuAl8Fe3 (CW303G), CuNi10Fe1Mn (CW352H), CuNi30Mn1Fe (CW354H) y CuZn20Al2As (CW702R), tolerances on thickness must be multiplied by 1.25 and the redult rounded up to 0.01mm
b includes 0.1.
NOTE - For thicknesses greater than 10 mm, tolerances are those indicated in Norm EN 1653.
 

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Created 07/07/2020
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