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Alloy 42 Expansion Alloy Flat Wire 1435 Melting Point For Glass Metal Sealing

Categories Precision Alloy
Brand Name: Tankii
Model Number: Alloy 42
Certification: ISO9001:2015
Place of Origin: Shanghai, China
MOQ: 20kg
Price: Negotiated price
Payment Terms: L/C, T/T, Western Union, MoneyGram, Paypal
Supply Ability: 200+TON+MONTH
Delivery Time: 7-12 DAYS
Packaging Details: Spool in carton, if necessary with plywood pallet o plywood case or according to client´s requirements
Other Material: Nickel Alloy, copper alloy...
Other Shape: Round Wire, Ribbon, Strip, Sheet, etc...
Feature: constant coefficient of thermal expansion
Melting Point: 1435
Inflection Point: 370
Commercial Name: Invar 42, Pernifer 40, Dilaton 42, and Glass Sealing 42
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Alloy 42 Expansion Alloy Flat Wire 1435 Melting Point For Glass Metal Sealing

Good Quality Alloy 42 Expansion Alloy Flat Wire for Glass-Metal Sealing


Grade and chemical composition
GradeMass fraction (%)

heat treating regime and coefficient of linear expansion
GradeHeat treatment on samplesa/(10-6/K)
4J42Heat the sample to (900±20)°C in hydrogen atmosphere, keep the temperature for one hour, cool to below 200°C at the speed ≤5°C/min then discharge4.0~5.06.5~7.5

coefficient of expansion
GradeAverage coefficient of expansion a/(10-6/K)


Sheet---Thickness 0.1mm~40.0mm, width:300mm,Condition: cold rolled(hot), bright, bright annealed


It is applied to soft glass-to-metal and ceramic-to-metal seals in electronic component.


50-100 kgs per each size; If we have in stock, 1kgs is available for us.

5. Payment

T/T, 30% deposit and the balance paid against the B/L copy.

100% L/C at sight;

Wesetern Union;


By Sea;



Petrochemical Industry; Pulp and paper Industry; Aerospace Industry;

Industrial Furnace; Special Welding; Heating Treatment Industry;

Nuclear Power Industry; Marine Industry; Shipbuilding Industry;


Standard export packing, carton with plywood case for safety

Sheet: Packed in Nylon Polybag first

The goods can be packed as the clients demand.

9.Delivery time

We can do the order 45-50days upon receive the 30% deposit or L/C document.


1.Pass:ISO9001 certification
2.fine after-sale services
3.small order accepted

11.Delivery conditions and finishes

Sheet: hot-rolling, polishing, picking, bright etc

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