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Functional Alloys

Chemical Composition

Classification	Alloy	JIS	Nominal Chemical Composition(wt%)						Thermal Expansion Coefficient (μm/m・℃)
Classification	Alloy	JIS	C	Si	Mn	Ni	Co	Fe	Thermal Expansion Coefficient (μm/m・℃)
Low Thermal Expansion Alloys	DF16CN	-	≦0.04	≦0.20	≦0.50	29	17	bal.	4.6-5.2(30-400℃) 5.1-5.5(30-450℃)
	DF42N	-	≦0.05	≦0.30	≦0.80	41	-	bal.	4.0-4.7(30-300℃) 6.7-7.4(30-450℃)
	DF52N	-	≦0.05	≦0.30	≦0.60	50.5	-	bal.	9.7-10.2(30-450℃) 10.0-10.5(30-550℃)
	MENPD	-	-	-	-	36	-	bal.	1.0-2.0(30-100℃)
	MENPDS	-	-	-	-	32	4	bal.	≦1.0(30-100℃)

Classification	Alloy	JIS	Nominal Chemical Composition(wt%)
Classification	Alloy	JIS	C	Mn	P	S	Mo	Cu	Ni	Fe
Soft Magnetic Alloys	MENPD	PD	≦0.01	0.50	≦0.020	≦0.020	-	-	36.0	bal.
	MENPB	PB	≦0.01	0.50	≦0.020	≦0.020	-	-	46.0	bal.
	MENPB-S	-	≦0.01	0.50	≦0.020	≦0.020	-	-	48.0	bal.
	MENPC-1	PC	≦0.01	0.50	≦0.020	≦0.020	5.5	-	81.0	bal.
	MENPC-2	PC	≦0.01	0.50	≦0.020	≦0.015	4.5	3.5	78.0	bal.
	MENPC-2S	-	≦0.01	0.50	≦0.020	≦0.015	4.5	3.5	78.0	bal.
		DC Magnetic Characteristics
	Alloy	Initial Permeability (μi)	Maximum Permeability (μm)		Coercivity Hc (A/m)		Magnetic Flux Density B800(T)
	MENPD	(5,000)	(25,000)		(8.0)		(1.20)
	MENPB	(10,000)	(80,000)		(5.0)		(1.50)
	MENPB-S	(10,000)	(100,000)		(3.5)		(1.50)
	MENPC-1	(90,000)	(190,000)		(0.95)		(0.75)
	MENPC-2	(110,000)	(200,000)		(0.80)		(0.75)
	MENPC-2S	(130,000)	(300,000)		(0.75)		(0.70)

※Magnetic properties were measured on machined test pieces after an appropriate magnetic annealing(1,100℃×2hrs, furnace cool, in dry hydrogen with dew point ≦-50 ℃)
※B800means magnetic flux density at an applied magnetic field of 800A/m. Values in ( ) are examples.

Classification	Alloy	JIS	Nominal Chemical Composition(wt%)							Electrical Resistivity ρ(μΩ・m)
Classification	Alloy	JIS	C	Si	Mn	Ni	Cr	Fe	others	Electrical Resistivity ρ(μΩ・m)
Electrical Resistant Alloys	GCM44	GCM44P	-	-	10.0- 13.0	1.0- 4.0	-	-	Cu+Ni+Mn 98.0min.	0.440±0.030
	CN30	GCN30W GCN30R	-	-	≦1.5	20.0- 25.0	-	-	Cu+Ni+Mn 99.0min.	0.300±0.024
	CN40	-	-	-	≦1.5	30.0- 35.0	-	-	Cu+Ni+Mn 99.0min.	0.400±0.040
	CN49	GCN49W GCN49R	-	-	0.5- 2.5	42.0- 48.0	-	-	Cu+Ni+Mn 99.0min.	0.490±0.030
	NCH1	NCHW1 NCHRW1	≦0.15	0.75- 1.6	≦2.5	≧77	19- 21	≦1	-	1.08±0.05
	NCH2	NCHW2 NCHRW2	≦0.15	0.75- 1.6	≦1.5	≧57	15- 18	bal.	-	1.12±0.05

Features Applications

Classification	Alloy	Features	Applications
Low Thermal Expansion Alloys	DF16CN	Similar thermal expansion to glass and ceramics up to the Curie point	High power communication parts, Transistor lead caps, Crystal resonator cases, Photo flash ball parts
	DF42N	Low and constant coefficient of thermal expansion from R.T. to 350℃	Glass penetrating lines (Dumet wires) of Braun tubes, incandescent bulbs and fluorescent lamps
	DF52N	Constant coefficient of thermal expansion up to 450℃	Reed switches, Small vacuum tubes, Hermetic seals
	MENPD	Extremely low coefficient of thermal expansion from cryogenic temp. to about 200℃	High frequency transformer cores, Motor cores, Electromagnetic wave shields, Equipment parts for LNG storages, transports, vaporization
	MENPDS	Lower coefficient of thermal expansion around R.T. than MENPD by modifying chemical composition	Scales and measures, Watch movements, Equipment parts for LNG storages, transports, vaporization
Classification	Alloy	Features	Applications
Soft Magnetic Alloys	MENPD	Large electrical resistivity, Excellent high-frequency characteristics, Low coefficient of thermal expansion	High frequency transformer cores, Motor cores, Electromagnetic wave shields, Equipment parts for LNG storages, transports, vaporization
	MENPB	High saturation magnetic flux density, Small coercive force	Cores and movable pieces of solenoids, Cores of step motors, Watch parts, Electromagnetic wave shields
	MENPB-S	Smaller coercive force than MENPB by fine control of chemical composition and heat treatment	Cores and movable pieces of solenoids, Cores of step motors, Watch parts, Electromagnetic wave shields
	MENPC-1	High initial permeability(μi), Extremely small coercive force	Cores for various magnetic sensors, Cores for earth leakage alarms, Various magnetic shield parts, Magnetic amplifiers
	MENPC-2	High initial permeability(μi), Extremely small coercive force	Cores for various magnetic sensors, Cores for earth leakage alarms, Various magnetic shield parts, Magnetic amplifiers
	MENPC-2S	Higher initial permeability(μi) than MENPC-2 by fine control of chemical composition	Cores for various magnetic sensors, Cores for earth leakage alarms, Various magnetic shield parts, Magnetic amplifiers
Classification	Alloy	Features	Applications
Electrical Resistant Alloys	GCM44	0.440μΩ・m of electrical resistivity	Resistors
	CN30	0.300μΩ・m of electrical resistivity with extremely small temperature coefficient	Low temperature heaters, Resistors
	CN40	0.400μΩ・m of electrical resistivity	Low temperature heaters, Resistors
	CN49	0.490μΩ・m of electrical resistivity	Low temperature heaters, Compensation wires, Resistors
	NCH1	High electric resistance, Higher strength and better oxidation resistance than NCH2	Electrical heaters for industrial and household appliances, Resistors
	NCH2	High electric resistance, High strength, Good oxidation resistance	Electrical heaters for industrial and household appliances, Resistors

Specifications・Available Products

Classification	Alloy	Available Products			Specifications
Classification	Alloy	Bar	Wire rod	Strip	ASTM	JIS
Low Thermal Expansion Alloys	DF16CN	◎	◎	◎	F15	-
	DF42N	○	◎	◎	F30	-
	DF52N	○	◎	○	F30	-
	MENPD	○	◎	◎	F1684	-
	MENPDS	○	◎	-	F1684	-
Classification	Alloy	Available Products			Specifications
Classification	Alloy	Bar	Wire rod	Strip	ASTM	JIS
Soft Magnetic Alloys	MENPD	○	◎	◎	-	C2531
	MENPB	○	◎	◎	A753	C2531
	MENPB-S	-	-	◎	-	-
	MENPC-1	○	○	◎	A753	C2531
	MENPC-2	○	◎	◎	-	C2531
	MENPC-2S	-	-	◎	-	-
Classification	Alloy	Available Products			Specifications
Classification	Alloy	Bar	Wire rod	Strip	ASTM	JIS
Electrical Resistant Alloys	GCM44	-	-	◎	-	C2532
	CN30	○	◎	◎	-	C2532
	CN40	-	-	◎	-	-
	CN49	○	◎	◎	-	C2532
	NCH1	○	◎	◎	B344	C2520
	NCH2	○	◎	◎	B344	C2520