CuZn23Al6Mn4Fe3Pb CW704R CuZn23Al6Mn4Fe3 2.0500 - DIN EN 12163-1998

Grade	CuZn23Al6Mn4Fe3Pb
Germany W-Nr.	CW704R
Old Grade
Corresponding Standard	DIN EN 12163-1998 Copper and copper alloys – Rod for general purposes
Classification	Copper and Copper Alloys
Density	8.2 g/cm³

CuZn23Al6Mn4Fe3Pb Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Cu	Pb	Al	Sn	Other Total	More
Minimum Value	2	-	3.5	-	63	0.2	5	-	-	Zn:余量
Maximum Value	3.5	0.2	5	0.5	65	0.8	6	0.2	0.2	Zn:余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

CuZn23Al6Mn4Fe3Pb Mechanical Properties

diameter d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
10<d≤80	CuZn23Al6Mn4Fe3Pb-R780	R780	≥780	≈540*	≥8(A)
10<d≤80	CuZn23Al6Mn4Fe3Pb-H190	H190				HB: ≥190；HV: ≥200
3<d≤80	CuZn23Al6Mn4Fe3Pb-M	M	No specification	No specification	No specification	No specification

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17672-1-1983	Grade Germany W-Nr. Old Grade
DIN EN 12163-1998	Grade Germany W-Nr. Old Grade Old Grade
DIN EN 12163-2016	Grade Germany W-Nr.

CuZn23Al6Mn4Fe3Pb Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuZn23Al6Mn4Fe3Pb CW704R
2	DIN EN 12163-1998
	CuZn23Al6Mn4Fe3Pb CW704R (CuZn23Al6Mn4Fe3) (2.0500)
3	DIN EN 12163-2016
	CuZn23Al6Mn4Fe3Pb CW704R
4	EN 12163-2016
	CuZn23Al6Mn4Fe3Pb CW704R

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