GH783

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Global 企业标准 GH783 低热膨胀超合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GH783 / GH783

Category	Grade	Standard	Region/Area	Standard Content
Metals	GH783	--	Global	低热膨胀超合金

Chemical composition(mass fraction)(wt.%) of the GH783

Element	Min	Max	Similar
S	-	0.0050	-
P	-	0.0150	-
B	0.0030	0.0120	-
Nb	2.5000	3.5000	-
Fe	24.0000	27.0000	-
Ti	-	0.4000	-
Cu	-	0.5000	-
Al	5.0000	6.0000	-
Co	-	-	-
Ni	26.0000	30.0000	-
Cr	2.5000	3.5000	-
Mn	-	0.5000	-
Si	-	0.5000	-
C	-	0.0300	-

Mechanical Properties of steel grade GH783

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)
458 (≥)	551 (≥)	14	14	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade GH783

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
22	-	-			0.34	-
933	334	-	22.3	333		-
664	-	44	41.2			431	214

Heat Treatment of steel grade GH783

Heat treated : 1247°C - 1677°C

Technological Curves of steel grade GH783

No Curve

Cross Reference Table (Equivalent Grade) of GH783

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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