Chemical composition

copper-strips
Alloy Name Cu-ETP Cu-DHP Cu-TBC
Standard Conformance Electrolytic Tough Pitch Copper Deoxidized, High Residual Phosporus Copper Tin Bearing Copper
IS IS 191/ 14811/ 1897 IS 191/ 14811/ 1897 IS 3331
ASTM C11000 C12200 C14410
BS 2870 C101 C106 -
EN 1652 CW004A CW024A -
JIS C1100 C1220 -
Copper (Cu%) 99.90 Min 99.90 Min 99.50 Min
Tin (Sn%) - - 0.07 - 0.20
Phosphourous (P%) - 0.015 - 0.040 0.015 - 0.045
Other impurities (%) - - -

Mechnical Properties

Alloy Name Description Temper Hardness HV Min -   Max Tensile Strength   N/mm2 (Min) Elongation% min
Cu-ETP Electrolytic Tough Pitch Copper Annealed (O) 55 Max 195 Min 35
Quarter Hard(HA) 55-75 215 Min 25
Half Hard (HB) 75-90 250 Min 15
Hard (H) 90 Min 274 Min -
Extra Hard (HE) 110 Min 340 Min -
Cu-DHP Deoxidized, High Residual Phosphorus Copper Annealed (O) 55 Max 195 Min 35
Quarter Hard(HA) 55-75 215 Min 25
Half Hard (HB) 75-90 250 Min 15
Hard (H) 90 Min 274 Min -
Extra Hard (HE) 110 Min 340 Min -
Cu-TBC Tin Bearing Copper Annealed (O) 60 Max - -
Quarter Hard(HA) 60-80 - -
Half Hard (HB) 80-100 - -
Hard (H) 100 - 125 - -
Extra Hard (HE) 125 - 145 - -

Dimensions

Alloy For Strips & Foils For Sheets
Thickness Range (Min-Max) mm Width Range (Min-Max) mm Coil ID (mm) Coil Density ( Max coil weight) Kg/mm width Thickness (Min-Max) mm Width Range (Min-Max) mm Length (Max) mm
Copper (ETP, DHP,TBC) 0.035 - 0.30 10-350 100-300 2-3 - - -
0.31 -0.80 10-450 100-300 2-3 0.30 - 1 450 Max 1500
0.81 - 3.0 20-400 300-500 2-3 1 - 30 450 Max 1400

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