Silver (Solder) Brazing Alloy
Cadmium Free Alloys
Copper Phosphorous Alloys
Gas-Flux Brazing
Spot Welding
Seam Welding
Projection Welding
Butt / Flash Butt Welding
Spark Erosion
Mould / Die Construction
Aluminium Die Casting
Non-ferrous Metal Casting
Tool Manufacture
Electrical Engineering
Spark Erosion

This is an area in which Brouwer Metaal Ireland Copper Alloys are increasingly being used. The most commonly required alloys are Brocadur CCZ and Brocadur WK with our Brocadur CCNB also sometimes being utilised.

Brocadur CCZ
Condition Solution heat-treated drawn and hardened Extruded, solution heat-treaded and hardened
Cross section <25 mm 25-60 mm 60-130 mm
Hardness (mean) HB 10/2,5 160 150 140
Tensile Strength N/mm2 min. 470 min. 450 min. 400
Apparent yielding point N/mm2 min. 440 min. 370 min. 270


Brocadur WK Tungsten copper
Abbreviation
WK 20 WK 25 WK 30
W CU W CU W CU
80 20 75 25 70 30
Standard analysis (in percent by weight)
WK 20 WK 25 WK 30
HV 240 HV 195 HV 175
HRB 99 HRB 90 HRB 87


Brocadur CCNB
Condition Solution heat-treated hardened
Hardness (mean) HB 10/2,5 approx. 150 220-280
Tensile Strength N/mm2 250-370 650-900
Apparent yielding point N/mm2 140-210 550-800


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Brouwer Metaal Ireland, Dublin, Ireland        Tel: +353 86817 0064, Fax: +353 1864 0550        © 2011 B M Alloys Ltd. & Brouwer Metaal B.V.