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Copper base alloy

RBCuZn-B

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Name: RBCuZn-B

NO.: SCu6800

Low-Fuming Bronze-Nickel

Chemical Composition（%）
Standard	Class	Alloy	Cu	Al	Fe	Mn	Ni	P	Pb	Si	Sn	Zn	Other
ISO24373	Cu6800	CuZn40Ni	56.0-60.0	0.01	0.25-1.20	0.01-0.50	0.2-0.8	-	0.05	0.04-0.20	0.8-1.1	bal	0.5
GB/T9460	SCu6800	CuZn40Ni	56.0-60.0	max0.01	0.25-1.20	0.01-0.50	0.2-0.8	-	max0.05	0.04-0.15	0.8-1.1	bal.	max 0.5
BS EN14640	Cu6800	CuZn40Ni	56.0-60.0	0.01	0.2-1.2	0.5	0.2-0.8	-	0.03	0.2	0.8-1.1	bal.	0.2
AWS A5.8	C68000	RBCuZn-B	56.0-60.0	0.01	0.25-1.20	0.01-0.50	0.20-0.80	-	0.05	0.04-0.20	0.80-1.10	bal	0.50

Physical Properties And Mechanical Properties:

Solids-Temperature	866℃	Liquids-Temperature	882℃
Density	8.39㎏/ dm3	TensileStrength
Elongation		Brinell Hardness

Applications:

This braze welding rod are similar to RBCuZn-A rods but contain additions of iron and manganese which serve to increase the hardness and strength. In addition, a small amount of silicon serves to control the vaporization of the zinc, yielding the “low-fuming” property. The nickel addition assures uniform distribution of the iron in the deposit.

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