KUMUD ALLOYS - Copper Based Brazing Alloys

KUMUD COPPER - ZINK GRADE	As per I.S. 1278 CHEMICAL COMPOSITION %																MELTING RANGE
KUMUD COPPER - ZINK GRADE	Classifi- cation	Cop- per	Tin	Nick- el	Iron	Maga- nese	Anti- mony	Phos- phorus	Lead	Alu- mi- nium	Silli- con	Bis- muth	Ars- enic	Zinc	Other Elem- ents Each Mex	Other Elem- ents Total Mex	Sol- idus ºC	Liqu -idus ºC
KUMUD C-Z-A	BA CU 1	99.90 Min	-	-	-	-	-	0.05	0.0005	0.01	-	0.0025	-	-	-	0.10	1085	1085
KUMUD C-Z-B	BA CU Zn 1	79.0- 81.0	0.10	-	0.15	-	0.05	-	0.50	-	-	0.05	-	Rem- ainder	-	0.10	980	990
KUMUD C-Z-C	BA CU Zn 2	59.0- 61.0	0.10	-	0.15	-	0.05	-	0.50	-	-	0.05	0.05	do	-	0.10	885	890
KUMUD C-Z-D	BA CU Zn 3	59.0- 61.0	0.8- 1.2	-	0.15	-	0.05	-	0.50	-	-	0.05	0.05	do	-	0.10	880	890
KUMUD C-Z-E	BA CU Zn 4	57.0- 63.0	0.50	-	0.1- 0.5	0.05- 0.25	0.05	-	0.03	0.03	0.20- 0.30	0.05	0.05	do	-	0.30	870	900
KUMUD C-Z-F	BA CU Zn 5	53.0- 55.0	0.05	-	0.15	-	0.05	-	0.30	-	-	0.05	0.05	do	-	0.10	870	880
KUMUD C-Z-G	BA CU Zn 6	53.0- 55.0	0.8- 1.2	-	0.15	-	0.05	-	0.30	-	-	0.05	0.05	do	-	0.10	860	870
KUMUD C-Z-H	BA CU Zn 7	49.0- 51.0	0.05	-	0.15	-	0.05	-	0.30	-	-	0.05	0.05	do	-	0.10	860	870
KUMUD C-Z-I	BA CU Zn 8	45.0- 53.0	0.5	8.0- 11.0	0.5	-	-	0.25	0.03	0.03	0.20- 0.50	-	-	do	-	0.10	920	980
**Packing can be done on customized basis also

Copper Based Brazing Alloys