NIMONIC alloy 81

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#NIMONIC #alloy #81

Description

NIMONIC alloy 81 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: NIMONIC alloy 81

Category	Type	Steel Grade
Steel Grades	High Alloy	NIMONIC alloy 81
		NILO 475
		NILO K
		NILOMAG 36
		NILOMAG 77
		NiMark 250
		NiMark 250 LCO
		NiMark 300
		NIMONIC alloy 75
		NIMONIC alloy 80
		NIMONIC alloy 80A

Chemical composition(mass fraction)(wt.%) of the NIMONIC alloy 81

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05					30	66
Mo	Al	Cu	Nb	Ti	V	Ce
	0.9			1.8
N	Co	Pb	B	Other

Mechanical Properties of steel grade NIMONIC alloy 81

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)
784 (≥)	218 (≥)	12	42	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade NIMONIC alloy 81

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
24	-	-			0.34	-
863	224	-	44.3	314		-
614	-	33	13.2			422	112

Heat Treatment of steel grade NIMONIC alloy 81

Heat treated : 1939°C - 1699°C

Technological Curves of steel grade NIMONIC alloy 81

No Curve

Cross Reference Table (Equivalent Grade) of NIMONIC alloy 81

Grade	Standard	Country	Application
Nimonic 90
Nimonic 90
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
T20811	UNS	USA	Alloy tool steel
T20810	UNS	USA	Alloy tool steel
T20812	UNS	USA	Alloy tool steel
H13	ASTM	USA	Alloy tool steel
T20813	UNS	USA	Alloy tool steel
T20814	UNS	USA	Alloy tool steel
T20819	UNS	USA	Alloy tool steel
81MoCrV42-16	DIN	Germany	Cold working alloy tool steel
1.2381	DIN	Germany	Cold working alloy tool steel
1.2581	DIN	Germany	Hot working alloy tool steel
SKS81	JIS	Japan	Alloy tool steel - Tool steel
SKS81M	JIS	Japan	Cold rolled special steel strip
AC815	JIS	Japan	Carbide for cutting tools
AC815	JIS	Japan	Carbide for cutting tools

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