Supermalloy®Standard Specification for Wrought Nickel-Iron Soft Magnetic Alloys
Sheet Thickness:0.1mm~3.5mm
Plate Thickness:3.5mm~40.0mm
Bar Dia 5.0mm~Dia180.0mm
Wire Dia 0.1mm-Dia5.0mm
Products Application
Supermalloy is used in manufacturing components for radio engineering, telephony, and
telemechanics instruments.
Description
Supermalloy is a specially processed 80% nickel-iron alloy. It is manufactured to develop the ultimate in high initial permeability and low losses. very useful in ultra- sensitive transformers, especially pulse transformers, and ultra-sensitive magnetic amplifiers where low loss is mandatory.
Parameter
TABLE 1 Cross Reference
Contury Name
Russia 79HMA
USA Supermalloy
Japan PCS
TABLE 2 Chemical Requirement
Element Composition,%
C ≤ 0.03
P≤ 0.020
S≤ 0.020
Mn≤ 0.30-0.60
Si≤ 0.15-0.30
Cu≥ 0.20
Mo 4.8-5.2
Ni 79.0-81.0
FE remainder
Notes:
1.the shape and dimensions of the alloys are in compliance with GBn198-88
TABLE 3 Physical Requirement
Property Value
ResisitivityμΩ•m) 0.56
Desinty g/cm3) 8.75
Curie Point ℃ 400
High saturated Magneto-striction Coefficientλθ/10-6 0.5
TABLE 4 Magnetic Requirement (Cold rolling Strip)
(δ&D)/mm μ0.08/(mH/m)≥ μm/(mH/m)≥ Bs/T≥ Hc/(A/m)≤
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 50.5 187.5 0.70 1.2
2.50-3.00 43.8 150.0 0.70 1.44
II Condition : Cold Rolling Strip
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(forging) Flastspring
3-22 27.5 100.0 0.65 2.4
Hot Rollin (Forging)Bar
8-100 27.5 100.0 0.65 2.4
WHY US
1.Specialized in manufacturing high-precision alloy for 23+ years
2.We can tailoring your unique requirements with ASTM, UNS ,GOST, standards.
3. Good quality control in production process, ISO9001:2008, SGS, CQC, approved.
4. The whole process from raw material to finished products can be traced.
5. 40000 square meters workshop, advanced facilities and test equipment .
Our Service
1. Free Sampe with test report
2.Small Quantity accepted , if we have stocks, we can delivery as small as few kilogram to your specification.
3.Testing services available .
4.Inspection before delivery
5.Response within 24hours
6.Good after service
