Market Survey on Copper - Indian Bureau of Mines

Table: 2.3 - Chemical Composition of Various Grades of Copper
Constituent CATH ETP FRHC FRTP- FRTP- ATP DHP- DHP- DPA OF
1 2
1 2
1 2 3 4 5 6 7 8 9 10
Copper and Silver
present to be
counted as copper
percent, min.
99.90 99.90 99.0 99.80 99.50 99.20 99.80 99.5 99.20 99.95
Antimony, percent,
max.
- - - 0.01 0.05 0.01 0.005 0.005 0.01 -
Arsenic, percent - - - 0.01 0.10 0.20 0.05 0.05 0.20 -
max.
to
to
0.50
0.50
Bismuth, percent
max.
0.001 0.001 0.0025 0.01 0.02 0.005 0.003 0.003 0.003 0.001
Iron, percent, max. - - - 0.01 0.03 0.02 0.03 0.03 0.03 -
Lead percent, max 0.005 0.005 0.005 0.10 0.10 0.02 0.01 0.01 0.10 0.005
Nickel percent
max.
- - - - - 0.15 0.151 0.151 0.151 -
Selenium &
Tellurium percent
Max
- - 0.05 0.07 0.03 0.02 0.02 0.02 -
Tellurium percent
max.
- - - - - - 0.01 0.01 0.01 -
Tin, percent max. - - - 0.010 0.05 0.03 0.01 0.01 0.01 -
Phosphorous - - - - - - 0.02 0.02to 0.02 -
to
0.10
0.06 to0.10
Oxygen, percent
max.
- - 0.10 0.15 0.10 - - - - -
Total of all
impurities
excluding silver,
nickel, arsenic and
phosphorous,
percent max.
- - - - - - 0.06 0.06 0.07 -
Total of metallic
impurities
excluding silver,
percent, max.
0.03 - - - - - - - - -
Total of all impurities
excluding oxygen and
silver, percent, max.
- 0.03 0.04 - - - - - - -
Total of all impurities
excluding silver,
percent, max.
- - - - - - - - - -
*In the case of copper conforming to grades FRTP-2 produced in Ind. and incidental nickel up to a
maximum of 0.7 percent shall be counted as copper.
Note : CATH Electrolytic cathode; ETP-Electrolytic tough pitch; FRHC-Fire refined high conductivity
tough pitch; FRTP (1&2)-Fire-refined tough-pitch; ATP Arsenic tough pitch; DHP (1&2)-
Phosphorised high residual phosphorous; DPA Phosphorised arsenical; OF-Oxygen-free without
residual deoxidants. Max Maximum
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