Copper alloy ingots billets, brass ingots billets

Copper Alloy Ingots and Billets

Copper Alloy Extrusion Rods & Bars



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Chemical Composition

Group A Ingots

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We manufacture Copper Alloy Ingots (Brass Ingots), Copper Alloy Billets (Brass Billets) in confirmation to different International Standards.



Below are the charts of chemical composition of some of the alloys including copper alloy ingots and billets which we manufacture.

Chemical Composition of Group A Copper Alloy Ingots and Billets - BS 1400 1973
Name BS	PB - 04 Phosphors bronze		LPB1 Leaded Phosphors Bronze		LG2 85/5/5/5 Leaded Gun Metal		LG4 87/7/3/3 Leaded Gun Metal
Elements	Min	Max	Min	Max	Min	Max	Min	Max
Copper	Rem	-	Rem	-	Rem	-	Rem	-
Tin	9.7	-	6.5	8.5	4.0	6.0	6.0	8.0
Zinc	-	0.5	-	2.0	4.5	6.0	1.7	3.2
Lead	-	0.75	2.0	5.0	4.0	6.0	2.7	3.5
Phosphorous	0.5	-	0.4	-	-	0.02	-	0.02
Nickel	-	0.5	-	1.0	-	2.0	-	2.0
Iron	-	-	-	0.2	-	0.2	-	0.2
Aluminium	-	-	-	-	-	-	-	-
Manganese	-	-	-	-	-	-	-	-
Antimony	-	-	-	0.2	-	0.2	-	0.2
Arsenic	-	-	-	-	-	0.2	-	0.15
Silicon	-	-	-	-	-	-	-	-
Bismuth	-	-	-	-	-	-	-	-
Magnesium	-	-	-	-	-	-	-	-
Sulphur Nicbium	-	-	-	-	-	-	-	-
Impurities	-	0.50	-	0.50	-	0.80	-	0.70

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Chemical Composition of Group B Copper Alloy Ingots and Billets
Name	AB1 Aluminium Bronze		AB2 Aluminium Bronze		HTB1 High Tensile Brass		HTB3 High Tensile Beta Brass
Name	Min	Max	Min	Max	Min	Max	Min	Max
Copper	Rem	-	Rem	-	55.0	-	55.0	-
Tin	-	0.1	-	0.1	-	1.0	-	0.20
Zinc	-	0.50	-	0.50	Rem	-	Rem	-
Lead	-	0.05	-	0.05	-	0.50	-	0.20
Phosphorous	-	-	-	-	-	-	-	-
Nickel	-	1.0	4.0	5.5	-	1.0	-	1.0
Iron	1.5	3.5	4.0	5.5	0.7	2.0	1.5	3.25
Aluminium	8.5	10.5	8.8	10.0	0.5	2.5	3.0	6.0
Manganese	-	1.0	-	1.5	-	3.0	-	4.0
Antimony	-	-	-	-	-	-	-	-
Arsenic	-	-	-	-	-	-	-	-
Silicon	-	0.25	-	0.10	-	0.10	-	0.10
Bismuth	-	-	-	-	-	-	-	-
Magnesium	-	0.05	-	0.05	-	-	-	-
Total Impurities	-	0.30	-	0.20	-	0.20	-	0.20

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Chemical Composition of Group B Copper Alloy Ingots and Billets
Name	PB1 Phosphors Bronze		PB2 Phosphors Bronze		CT1 Copper Tin		LG1 83/3/9/5 Leaded Gun Metal
Name	Min	Max	Min	Max	Min	Max	Min	Max
Copper	Rem	-	Rem	-	Rem	-	Rem	-
Tin	10.2	-	11.2	13.0	9.2	11.0	2.0	3.5
Zinc	-	0.05	-	0.30	-	0.05	7.5	9.5
Lead	-	0.25	-	0.50	-	0.25	4.0	6.0
Phosphorous	0.60	-	0.25	-	-	0.15	-	-
Nickel	-	0.10	-	0.50	-	0.25	-	2.0
Iron	-	0.10	-	0.15	-	-	-	-
Aluminium	-	0.01	-	0.01	-	-	-	0.01
Manganese	-	-	-	-	-	-	-	-
Antimony	-	-	-	-	-	-	-	-
Arsenic	-	-	-	-	-	-	-	-
Silicon	-	0.02	-	0.02	-	-	-	0.02
Bismuth	-	-	-	-	-	-	-	0.10
Magnesium	-	-	-	-	-	-	-	-
Total Impurities	-	0.60	-	0.20	-	0.80	-	1.0

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