High Quality Cobalt Alloy Welding Wire - Expansion Alloy Invar36-4J36 Sheet/Bar/Strip/Tube – Sekonic

Product Detail

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High Quality Cobalt Alloy Welding Wire - Expansion Alloy Invar36-4J36 Sheet/Bar/Strip/Tube – Sekonic Detail:

Common Trade Names: Invar alloy,4J36,Invar,UNS k93600 (FeNi36),Nilo36,Pernifer 36, Invar Steel,36H/36H-BИ、Unipsan 36

It is a Nickel-Iron, low expansion alloy containing 36% Nickel with balance of Iron. It maintains nearly constant dimensions over the range of normal atmospheric temperatures and has a low coefficient of expansion from cryogenic temperatures to about +500°C. Nilo 36 also retains good strength and toughness at cryogenic temperatures. Applications include standards of length, thermostat rods, laser components and tanks and piping for the storage and transportation of liquefied gasses.

Relative Grade:

Grade	Russia	U.S.A.	France	Germany	U.K.
4J32	32НКД 32НК-ВИ	Super-Invar Super Nilvar	Invar Superieur	-	-
4J36	36Н 36Н-ВИ	Invar/Nilvar Unipsan36	Invar Standard Fe-Ni36	Vacodil36 Nilos36	Invar/Nilo36 36Ni
4J38	-	38NiFM Simonds38-7FM	-	-	-

Invar 36 Chemical Composition

C	Ni	Si	Mn	P	S	Fe
≤0.05	35.0-37.0	≤0.3	0.2-0.6	≤0.02	≤0.02	balance

Invar 36 Physical Properties

Density(g/cm3)	Meltingtemperature(℃)	Specific heat capacity/J/(kg•℃)(20~100℃)	Electricalresistivity(μΩ·m)	Thermalconductivity/W/(m•℃)	Curie point(℃)
8.10	1430-1450	515	0.78	11	230

Invar 36 Typical Mechanical Properties

condition	σb/MPa	σ0.2/MPa	δ/%
annealing	450	274	35

Invar 36 thermal expansion coefficient at different temperatures

Alloy designation	Average thermal expansion coefficient/(10^-6/ ℃)
Alloy designation	20-50℃	20-100℃	20-200℃	20-300℃	20-400℃	20-500℃
4J36	0.6	0.8	2.0	5.1	8.0	10.0

Invar 36 Available Products in Sekonic Metals

Inconel 718 bar,inconel 625 bar

Invar 36 Bars & Rods

Round bars/Flat bars/Hex bars, Size From 8.0mm-320mm, Used for bolts,fastners and other spare parts

welding wire and spring wire

Invar wire

Supply in welding wire and spring wire in coil form and cut length.

Sheet & Plate

Invar 36 sheet & plate

Widths up to 1500mm and lengths up to 6000mm,Thickness from 0.1mm to 100mm.

Invar seamless tube & Caplliary Tube

Standards size and customized dimension can be produced by us with small tolerance

inconel strip,invar stirp,kovar stirp

Invar 36 strip & coil

Soft condition and hard condition with AB bright surface, width up to 1000mm

Shadow mask

Invar 36 Shadow Mask

Can be produced according to clients drawing or smaples with precision tolerance.

Why Inconel Invar 36 ?

1) Very low thermal expansion coefficient between - 250 ℃ ~ + 200 ℃.

2) Very good plasticity and toughness

Invar 36 Application field：

● Liquefied petroleum gas production, storage and transportation

● Screw connector bushing between metal and other materials

● Double metal and temperature control of double metal

● Film type framework

● Shadow mask

● Aviation industry CRP parts drawing die

● Framework of satellite and missile electronic control unit below 200 ℃

● The laser control electromagnetic lens in the auxiliary vacuum tube

Product detail pictures:

Related Product Guide:
Why Cobalt based Alloys
electropolished

While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for High Quality Cobalt Alloy Welding Wire - Expansion Alloy Invar36-4J36 Sheet/Bar/Strip/Tube – Sekonic , The product will supply to all over the world, such as: Orlando, Holland, Mauritania, Our Company has professional engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the products, Please feel free to contact us.

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