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Copper

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Copper strips

Copper Metal Alloys

Rashtriya Metal is a leading manufacturer of copper and copper alloy preliminary products and semi-finished products. Apart from a unique product variety in our major product groups, our facilities specialize in individual solutions for the industrial, automobile, and defense sectors.

Alloy Name Cu-ETP Cu-DHP Cu-TBC
Trade Name Electrolytic Tough Pitch Copper Deoxidized, High Residual Phosporus Copper Tin Bearing Copper
Standard Conformance
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 -
Chemical Composition
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 (%) - - -
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Mechanical Properties

Alloy Name Trade Name Temper Hardness HV Tensile Strength N/mm2 (Min) Elongation% min
Cu-ETP Copper/Tape 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) 105-125 - -
Extra Hard (HE) 125 - 145 - -
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Dimensions

Alloy For Strips And Foils For Sheets
Thickness Range
(Min - Max) mm
Width Range
(Min - Max) mm
Coil ID
(Min - Max) mm
Coil Density
(Max coil weight)
Thickness Range
(Min - Max) mm
Width Range
(Min - Max) mm
Length
(Max) mm
Copper (XLPE, ETP, DHP, TBC) 0.030 - 0.3 10 - 350 100 - 300 2 - 3 - - -
0.031 - 0.80 10 - 450 100 - 300 2 - 3 0.30 - 1 450 Max 1500
0.81 - 3.00 20-400 300 - 500 2 - 3 1- 3.00 450 Max 4000