CuNi18Zn27 CW410J - EN 1654-1998

Grade	CuNi18Zn27
European Standard Steel Grade	CW410J
Corresponding Standard	EN 1654-1998 Copper and copper alloys - Strip for springs and connectors
Classification	Copper and Copper Alloys
Density	8.7 g/cm³

CuNi18Zn27 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	Sn	Other Total	More
Minimum Value	-	-	17	53	-	-	-	Zn:余量
Maximum Value	0.3	0.5	19	56	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.

CuNi18Zn27 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	CuNi18Zn27-R540	R540	540~630	≥(450)	≥3ⓐ ；≥5ⓑ
Strip	CuNi18Zn27-H170	H170				HV: 170~200
Strip	CuNi18Zn27-R600	R600	600~700	≥(550)	≥2ⓑ
Strip	CuNi18Zn27-H190	H190				HV: 190~220
Strip	CuNi18Zn27-R700	R700	≥700	≥(660)
Strip	CuNi18Zn27-H220	H220				HV: ≥220

1 Approximate Comparison Table Wrought Cupronickel

China		United States		International Organization for Standardization		Germany		European Standard		Russia
GB	ISC	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade	GOST
BZn18-26	T77000	55Cu-18Ni-27Zn	C77000	CuNi18Zn27	C77000	CuNi18Zn27	C77000 2.0742	CuNi18Zn27	CW410J	МНЦ18-27

2 Approximate Comparison Table Copper and Copper Alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi18Zn27	2.0742	CuNi18Zn27	CW410J

CuNi18Zn27 Corresponding Standards(Same grade name, different standards)

1	EN 1654-1998
	CuNi18Zn27 CW410J
2	DIN 17663-1983
	CuNi18Zn27 2.0742

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