B770 C81400

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America ASTM B770C81400 通用铜铍合金砂型铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B770C81400 / B770 C81400

Category	Grade	Standard	Region/Area	Standard Content
Metals	B770 C81400	ASTM B770	America	通用铜铍合金砂型铸件

Chemical composition(mass fraction)(wt.%) of the B770 C81400

Element	Min	Max	Similar
Total Others	-	-	-
Cu	-	-	-
Cr	0.6000	1.0000	-
Be	0.0200	0.1000	-

Mechanical Properties of steel grade B770 C81400

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)
212 (≥)	441 (≥)	43	42	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	113

Physical Properties of steel grade B770 C81400

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
14	-	-			0.13	-
838	231	-	23.3	412		-
585	-	31	34.2			142	414

Heat Treatment of steel grade B770 C81400

Heat treated : 1617°C - 1456°C

Technological Curves of steel grade B770 C81400

No Curve

Cross Reference Table (Equivalent Grade) of B770 C81400

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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