ERCuNi C71581 - AWS A5.7/A5.7M-2017

Grade	ERCuNi
	C71581
Corresponding Standard	AWS A5.7/A5.7M-2017 Specification for Copper and Copper-Alloy Bare Welding Rods and Electrodes
Classification	Copper and Copper Alloys

ERCuNi Chemical Element Composition Content (%)

Component	Fe	Si	Mn	P	S	Ni	Pb	Sb	Other Total	More
Minimum Value	0.4	-	-	-	-	29	-	0.2	-	Cu+Ag: 余量
Maximum Value	0.75	0.25	1	0.02	0.01	32	0.02	0.5	0.5	Cu+Ag: 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.

ERCuNi Mechanical Properties

Tensile Strength σ_b Mpa	Hardness HBW
≥345	HBW/500: 60~80 HV/1: 64~94

Approximate Comparison Table Solid wires and rods for fusion welding of copper and copper alloys

China	Japan	United States		International Organization for Standardization
GB	JIS	UNS	AWS	ISO
SCu7158	YCuNi-3 JIS Z3341-2007	C71581	ERCuNi	SCu7158 ISO 24373-2018

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