CuW (75) - GB /T 8320-2017

Grade	CuW (75)
Corresponding Standard	GB /T 8320-2017 Copper-Tungsten and Silver-Tungsten Electrical Contacts
Classification	Other metal materials
Density	14.5 g/cm³

CuW (75) Chemical Element Composition Content (%)

	Component	Fe ^**	C ^**	Ni ^*	Cu ^***	Other Individual	Other Total	More
Product name of electrical contact: Copper Tungsten (75)	Minimum Value	-	-	-	-	-	-	W:Rem.
	Maximum Value	0.1	0.15	1	-	0.08	0.5
	Nominal Value	-	-	-	25	-	-

"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.

* Additives added to improve performance are not impurities. If nickel or other additives are added to the copper-tungsten electrical contacts, the amounts are as shown in the table
**The main impurity content
***Tolerance for copper content: ±2.0%

CuW (75) Mechanical Properties

Hardness HBW	Bending Strength σ_w Mpa
≥195	≥885

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