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Chemical composition

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 (%)	-	-	-

Alloy Name	Description	Temper	Hardness HV Min - Max	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)	100 - 125	-	-
		Extra Hard (HE)	125 - 145	-	-

Alloy	Strips & Foils				Sheets
Alloy	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