Alloy 79 is a soft magnetic alloy consisting of 80% Nickel, 5% Molybdenum, and balance Iron used where extremely high initial & maximum permeability and minimum hysteresis is needed.
Forms: Sheet/Plate, Bar/Rod/Coil

Description

A soft magnetic alloy consisting of 80% Nickel, 5% Molybdenum, and balance Iron used where extremely high initial & maximum permeability and minimum hysteresis is needed.

Application

Electro-magnetic shielding, specialty transformer laminations, toroidal tape wound cores, high quality motor laminations, stepping motors.

parameter

Cross Reference

IEC	Russia	U.S.A	Japan
E11c	79HMA	Mumetal Supermalloy	PCS

Chemical Composition (%)

C	P	S	Cu	Mn	Si	Ni	Mo	Fe
≤
0.03	0.020	0.02	0.20	0.30~0.60	0.15~0.3	79.0~81.0	4.80~5.20	Balance

Physical Property

Resisitivity(μΩ•m )	0.56
Density(g/cm3)	8.75
Curie Point ℃	400

Magnetic Property

Sorts	Distinction	(δ&D)/mm	μ0.08/(mH/m)	μm/(mH/m)	Bs/T	Hc/(A/m)
			≥			≤
Cold Rolling Strip	Ⅰ	0.005-0.01	20.0	87.5	0.70	4.8
		0.02-0.04	22.5	100.0	0.70	3.6
		0.05-0.09	35.0	137.5	0.70	2.4
		0.10-0.19	37.5	187.5	0.70	1.6
		0.20-0.34	50.0	225.0	0.70	1.2
		0.35-1.00	62.5	312.5	0.70	0.8
		1.10-2.50	50.0	187.5	0.70	1.2
		2.51-3.00	43.8	150.0	0.70	1.44
	Ⅱ	0.02-0.04	37.5	137.5	0.70	2.4
		0.05-0.09	50.0	175.0	0.70	1.6
		0.10-0.19	62.5	225.0	0.70	1.2
		0.20-0.34	75.0	250.0	0.70	1.0
		0.35	68.8	325.0	0.70	0.7
Hot Rolling flatspring	---	3-22	37.5	125.0	0.70	1.6
Hot Rolling Bar	---	8-100	37.5	125.0	0.70	1.6

Size Range

Sheet	Thickness: 0.10mm~0.50mm,width10.0~210.0mm
Plate	Thickness: 3.5~40.0mm,width≤500mm
Bar	Dia 8.0mm~Dia 32.0mm,length≤2000mm
	Dia 32.0mm~Dia 150.0mm,length:≤1000mm

Condition: (With max tolerance) cold rolled,bright,hot rolled,burnished,hot forging,peeled,turned