4420

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India IS 4420 Specification for Aluminium Casting Alloy Ingots and Castings for Aircraft Purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4420 / 4420

Category	Grade	Standard	Region/Area	Standard Content
Metals	4420	IS 202	India	Specification for Aluminium Casting Alloy Ingots and Castings for Aircraft Purposes

Chemical composition(mass fraction)(wt.%) of the 4420

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade 4420

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)
762 (≥)	555 (≥)	13	11	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade 4420

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	-	-			0.44	-
145	152	-	11.3	312		-
178	-	44	12.2			332	341

Heat Treatment of steel grade 4420

Heat treated : 1764°C - 1675°C

Technological Curves of steel grade 4420

No Curve

Cross Reference Table (Equivalent Grade) of 4420

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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