CuNi12Zn29 CW405J - EN 1654-1998

Grade	CuNi12Zn29
European Standard Steel Grade	CW405J
Corresponding Standard	EN 1654-1998 Copper and copper alloys - Strip for springs and connectors
Classification	Copper and Copper Alloys
Density	8.6 g/cm³

CuNi12Zn29 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	Sn	Other Total	More
Minimum Value	-	-	11	57	-	-	-	Zn：余量
Maximum Value	0.3	0.5	13.5	60	0.03	0.03	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.

CuNi12Zn29 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Strip	CW405J-R520	R520	520~610	≥(430)	≥3ⓐ ；≥4ⓑ
Strip	CW405J-H170	H170				HV: 170~200
Strip	CW405J-R600	R600	600~690	≥(550)	≥2ⓑ
Strip	CW405J-H190	H190				HV: 190~220
Strip	CW405J-R670	R670	670~760	≥(620)
Strip	CW405J-H210	H210				HV: 210~240
Strip	CW405J-R750	R750	750~840	≥(710)
Strip	CW405J-H230	H230				HV: 230~260

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!