AISI 4718

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America AISI AISI4718 Estimated mechanical properties and machinability of steel bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI4718 / AISI 4718

Category	Grade	Standard	Region/Area	Standard Content
Metals	AISI 4718	SAE J 1397	America	Estimated mechanical properties and machinability of steel bars

Chemical composition(mass fraction)(wt.%) of the AISI 4718

Element	Min	Max	Similar
C	0.1600	0.2100	-
Mn	0.7000	0.9000	-
P	-	0.0350	-
S	-	0.0400	-
Si	0.1500	0.3500	-
Ni	0.9000	1.2000	-
Cr	0.3500	0.5500	-
Mo	0.3000	0.4000	-
Cu	-	0.3500	-
Pb	-	-	-
C	0.1600	0.2100	-
Mn	0.7000	0.9000	-
P	-	0.0250	-
S	-	0.0250	-
Si	0.1500	0.3000	-
Ni	0.9000	1.2000	-
Cr	0.3000	0.5000	-
Mo	0.3000	0.4000	-
C	0.1600	0.2100	-
Mn	0.7000	0.9000	-
P	-	0.0250	-
S	-	0.0250	-
Si	0.1500	0.3000	-
Ni	0.9000	1.2000	-
Cr	0.3500	0.5500	-
Mo	0.3000	0.4000	-

Mechanical Properties of steel grade AISI 4718

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)
455 (≥)	325 (≥)	33	13	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical Properties of steel grade AISI 4718

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
31	-	-			0.23	-
662	466	-	43.3	134		-
141	-	31	32.2			241	414

Heat Treatment of steel grade AISI 4718

Heat treated : 1535°C - 1113°C

Technological Curves of steel grade AISI 4718

No Curve

Cross Reference Table (Equivalent Grade) of AISI 4718

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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