INCONEL alloy 740

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#INCONEL #alloy #740

Description

INCONEL alloy 740 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: INCONEL alloy 740

Category	Type	Steel Grade
Steel Grades	High Alloy	INCONEL alloy 740
		INCONEL alloy 700
		INCONEL alloy 702
		INCONEL alloy 705
		INCONEL alloy 706
		INCONEL alloy 718
		INCONEL alloy 718 SPF
		INCONEL alloy 721
		INCONEL alloy 722
		INCONEL alloy 725
		INCONEL alloy 725 HS

Chemical composition(mass fraction)(wt.%) of the INCONEL alloy 740

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	0.5	0.3			25	...
Mo	Al	Cu	Nb	Ti	V	Ce
0.5	0.9			1.8
N	Co	Pb	B	Other
	20			Fe 0.7 Nb/Ta 2.0

Mechanical Properties of steel grade INCONEL alloy 740

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)
189 (≥)	713 (≥)	14	34	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

Physical Properties of steel grade INCONEL alloy 740

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
11	-	-			0.41	-
788	862	-	11.3	131		-
457	-	44	14.2			231	431

Heat Treatment of steel grade INCONEL alloy 740

Heat treated : 1699°C - 1931°C

Technological Curves of steel grade INCONEL alloy 740

No Curve

Cross Reference Table (Equivalent Grade) of INCONEL alloy 740

Grade	Standard	Country	Application
Vicalloy	AISI	USA	Martensitic special steel
Alloy 52	SAE	USA	Alloy 52 is a 50.50% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. The alloy’s rate of thermal expansion is virtually constant to a temperature of about 1050°F (565°C).
Alloy 713C	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
Alloy 713LC	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
1.1740	DIN	Germany	Carbon tool steel
1.2740	DIN	Germany	Hot working alloy tool steel
UNS S17400	UNS	USA	precipitation hardening
UNS S17400	UNS	USA	precipitation hardening
S17400	UNS	USA	Martensitic special steel
S17400	UNS	USA	Martensitic special steel
1.6740	DIN	Germany
E1740			Spain structural alloy steel
42 2740			The Czech republic Structural steel
419740			The Czech republic tool steel
8740			Australia Structural steel
8740H			Australia Structural steel

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