Iron Nickel alloy with high permeability supermalloy

MAGNETIC SHIELDING ALLOY WORLDWIDE

Chemical composition,Physical and Mechanical properties will be engineered according to specific customer requirements.Therefore chemical composition,physical and mechanical properties might be different to values listed in this table.

Information about product characteristics or applicability of materials are shown only for informative purposes.

NICKEL-IRON Soft Magentic Alloy 

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Available Coil,sheet,rod ,sizes

Stocks

Notes:

Stocks Supermalloy ©  in a variety of forms and dimensions. Below are most of the standard stock form/sizes.If you do not see the size or forms of supermalloy that you require, please send us your inquiry.  We can tailoring your unique requirements with your expected specifications and manufacturing for small quantity accepted.

Application

Supermalloy is used in manufacturing components for radio engineering, telephony, and telemechanics instruments.

Description

Supermalloy is a specially processed 80% nickel and 5% molybdenum. It is manufactured to develop the ultimate in high initial permeability and low losses. Initial permeability ranges from 40,000 to 100,000 while the coercive force is about 1/3 that of Square Permalloy 80. Supermalloy is very useful in ultra- sensitive transformers, especially pulse transformers, and ultra-sensitive magnetic amplifiers where low loss is mandatory.

Specifications 

Ni80-Mo5-Fe

MIL N 1411 C, COMP.2

ASTM A753-78 UNS N14080

Chemistry Composition (Weight Percent)

Notes:

1.The shape and dimensions of the alloys are in compliance with GBn198-88 

2.Custom-made order available ,please provide the chemistry 

3.We offer Supermalloy strip coil in custom Tempers from Annealed to Full Hard

Physical Properties

Magnetic Requirement (Cold rolling Strip)

 Hot Rolling(forging) Flastspring

Hot Rolling (Forging)Bar

Shielding 

Supermalloy possesses high permeability and minimum coercive force, it is useful in the magnetic shielding operations. The annealed and deep drawn alloy can be formed into shields through bending, forging and spinning. Spot or tungsten inert gas welding methods are used including or excluding base metal filler rod.

The alloy shields are annealed up to 650°C to obtain the suitable shielding properties after accomplishing the forging processes. Generally, high temperature yield strength and improved permeability are obtained.

Fabrication

Heat Processing

In the annealing process, to remove deformation and regaining alloy in a soft form, drawing, spinning, forging, bending, annealing up to 780°C to 1200°C is done for less than 60 minutes. As alloy contains high content of nickel, high permeability alloys immediately soak carbon, sulfur, oxygen and other elements from burnt gases in the furnace. This annealing should be done in the presence of detached ammonia, vacuum or inert gas and hydrogen conditions.

 Hydrogen Annealing

To get utmost softness and suitable magnetic and electric features, the alloy is annealed in absence of oxygen with hydrogen at 1120℃ to 1200℃ for four to five hours.  The component parts should be isolated through inert insulating powder like magnesium and aluminum oxide while hydrogen annealing.

 Vacuum heat processing can be done. Normally, minor loss in magnetic features is noticed as compare to heat processing in arid hydrogen conditions.

 Cold Processing

For high blanking features, Supermalloy should be kept in the cold treated conditions. For high forging features, alloy strip should be processed in the cold rolled and annealed conditions. For excellent drawing features, the alloy should be annealed and deep drawn.

Welding Features

Supermalloy is readily weldable by implementing the common processes for ferrous alloy. If a filler metal is needed, the same methods are used. The end annealed alloys can be tender or tough soldered. The soldering is not preferred before heat processing.

Customer Show

Facilities&Equipment

Certificate

1. Custom-size Sample
Our factory provide custom-size free samples (not include freight Charge).Small Pieces with envelope bags, low cost and short delivery time.
(we have long time cooperation with delivery companies ,low freight charge guaranteed)
2. Small quantity ,short delivery time.
Small quantity accepted, if stock available , We can delivery as small as 1 kilogram to your specification. delivery time within 5 working days.Custom-made order amount of 50Kg and up.(some materials are allowed 20-30kg) as few as 2 weeks.
3. Quality
We are very carefully balance the quality, ISO9001:2008 ,SGS,CQC approved since 2000.
(The whole process from raw material to finished products can be traced.)
4. Unique technology and custom-made solutions
We provide customer solutions to your application with our unique technologies and well versed knowledge of materials acquired through our experience of manufacturing 1,000 items.
5. Multiple alloy supply
We provide various of High-Precision alloy all over the world and manufacture appropriate products to your needs.
6. After sales
Our factory provides long-time after sales service. Also have strong technical support team when you need.
7. High cost of performance
We are manufacturer with factory-outlet price.
Offer you reduce a total cost by using our products.