CuNi9Sn2 CW351H - EN 1654-1998

Grade	CuNi9Sn2
European Standard Steel Grade	CW351H
Corresponding Standard	EN 1654-1998 Copper and copper alloys - Strip for springs and connectors
Classification	Copper and Copper Alloys
Density	8.9 g/cm³

CuNi9Sn2 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Pb	Zn	Sn	Other Total	More
Minimum Value	-	-	8.5	-	-	1.8	-	Cu:余量
Maximum Value	0.3	0.3	10.5	0.03	0.1	2.8	0.1	Cu: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.

CuNi9Sn2 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	CuNi9Sn2-R380	R380	380~470	≥(330)	≥8ⓐ ；≥10ⓑ
Strip	CuNi9Sn2-H110	H110				HV: 110~150
Strip	CuNi9Sn2-R450	R450	450~530	≥(330)	≥4ⓐ ；≥6ⓑ
Strip	CuNi9Sn2-H140	H140				HV: 140~170
Strip	CuNi9Sn2-R500	R500	500~580	≥(330)	≥2ⓑ
Strip	CuNi9Sn2-H160	H160				HV: 160~190
Strip	CuNi9Sn2-B370	B370				HV: (160)~(190)
Strip	CuNi9Sn2-R560	R560	560~650	≥(330)
Strip	CuNi9Sn2-H180	H180				HV: 180~210
Strip	CuNi9Sn2-B460	B460				HV: (180)~(210)
Strip	CuNi9Sn2-R610	R610	≥610	≥(580)
Strip	CuNi9Sn2-H190	H190				HV: ≥190

Approximate Comparison Table Copper and Copper Alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi9Sn2	2.0875	CuNi9Sn2	CW351H

CuNi9Sn2 Corresponding Standards(Same grade name, different standards)

1	EN 1654-1998
	CuNi9Sn2 CW351H
2	DIN 17664-1983
	CuNi9Sn2 2.0875

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