CuZn25Al5FeMn2Pb CW705R - EN 12163-1998

Grade	CuZn25Al5FeMn2Pb
European Standard Steel Grade	CW705R
Corresponding Standard	EN 12163-1998 Copper and copper alloys — Rod for general purposes
Classification	Copper and Copper Alloys
Density	8.2 g/cm³

CuZn25Al5FeMn2Pb Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	Al	Sn	Other Total	More
Minimum Value	0.5	0.5	-	65	0.2	4	-	-	Zn:余量
Maximum Value	3	3	1	68	0.8	5	0.2	0.3	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.

CuZn25Al5FeMn2Pb Mechanical Properties

diameter/width across-flat d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
5<d≤40	CuZn25Al5FeMn2Pb-R620	R620	≥620	≈360*	≥10(A11.3)，≥12(A)
5<d≤40	CuZn25Al5FeMn2Pb-H170	H170				HB: 170~200；HV: 180~210
5<d≤14	CuZn25Al5FeMn2Pb-R650	R650	≥650	≈400*	≥8(A11.3)，≥10(A)
5<d≤14	CuZn25Al5FeMn2Pb-H190	H190				HB: ≥190；HV: ≥200
3<d≤80	CuZn25Al5FeMn2Pb-M	M	No specification	No specification	No specification	No specification

① Material condition names and designations:
H - Hardness (Brinell hardness or Vickers hardness), with the suffix number indicating the hardness value.
R - Tensile strength, with the suffix number indicating the minimum tensile strength value.
M - Manufactured without specified mechanical properties. Refer to standard EN 1173-2008.
② A100, A11.3, A - Gauge length.

CuZn25Al5FeMn2Pb Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuZn25Al5FeMn2Pb CW705R
2	DIN EN 12163-1998
	CuZn25Al5FeMn2Pb CW705R

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