CuW90

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China GB CuW90 铜钨及银钨电触头 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuW90 / CuW90

Category	Grade	Standard	Region/Area	Standard Content
Metals	CuW90	GB/T 8320	China	铜钨及银钨电触头

Chemical composition(mass fraction)(wt.%) of the CuW90

Element	Min	Max	Similar
W	-	-	-
Total Others	-	0.1000	-
Na+K	-	0.1000	-
SiO2	-	0.0500	-
C	-	0.1500	-
Fe	-	0.1000	-
Cu	8.0000	12.0000	-

Mechanical Properties of steel grade CuW90

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
578 (≥)	782 (≥)	44	23	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade CuW90

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
21	-	-			0.12	-
693	599	-	44.3	111		-
299	-	33	34.2			311	123

Heat Treatment of steel grade CuW90

Heat treated : 1688°C - 1712°C

Technological Curves of steel grade CuW90

No Curve

Cross Reference Table (Equivalent Grade) of CuW90

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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