CuSn5 CW451K - EN 1654-1998

Grade	CuSn5
European Standard Steel Grade	CW451K
Corresponding Standard	EN 1654-1998 Copper and copper alloys - Strip for springs and connectors
Classification	Copper and Copper Alloys
Density	8.9 g/cm³

CuSn5 Chemical Element Composition Content (%)

Component	Fe	P	Ni	Pb	Zn	Sn	Other Total	More
Minimum Value	-	0.01	-	-	-	4.5	-	Cu:余量
Maximum Value	0.1	0.4	0.2	0.02	0.2	5.5	0.2	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.

CuSn5 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	CuSn5-R400	R400	400~500		≥14ⓐ ；≥17ⓑ
Strip	CuSn5-H120	H120				HV: 120~160
Strip	CuSn5-Y340	Y340		340~(450)	≥14ⓐ ；≥17ⓑ
Strip	CuSn5-R490	R490	490~580		≥8ⓐ ；≥10ⓑ
Strip	CuSn5-H160	H160				HV: 160~190
Strip	CuSn5-Y450	Y450		450~(540)	≥8ⓐ ；≥10ⓑ
Strip	CuSn5-R550	R550	550~640		≥4ⓐ ；≥6ⓑ
Strip	CuSn5-H180	H180				HV: 180~210
Strip	CuSn5-Y520	Y520		520~(610)	≥4ⓐ ；≥6ⓑ
Strip	CuSn5-R630	R630	630~720		≥3ⓑ
Strip	CuSn5-H200	H200				HV: 200~230
Strip	CuSn5-Y600	Y600		600~(690)	≥3ⓑ
Strip	CuSn5-R690	R690	≥690
Strip	CuSn5-H220	H220				HV: ≥220
Strip	CuSn5-Y670	Y670		≥670

Approximate Comparison Table bronze

China		United States		International Organization for Standardization		European Standard		Russia	United Kingdom
GB	ISC	ASTM	UNS	ISO	Numerical Grade	EN	Numerical Grade	GOST	Commercial Grade	BS EN/BS
QSn5-0.2	C51000	95Cu-5Sn-.2P	C51000	CuSn5	C51000	CuSn5	CW451K	БрОФ5-0.25	PB102	C51000

CuSn5 Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuSn5 CW451K
2	EN 12166-1998
	CuSn5 CW451K
3	EN 1654-1998
	CuSn5 CW451K
4	DIN EN 12163-1998
	CuSn5 CW451K
5	DIN EN 12166-1998
	CuSn5 CW451K
6	ISO 427-1983
	CuSn5

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