Expansion Consisting of 36% Nickel Invar Alloy
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Expansion Consisting of 36% Nickel Invar Alloy

Invar alloy,ASTM F1684,UNS k93600(FeNi36),Chinese 4J36A Nickel-Iron, low expansion alloy containing 36% Nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures.

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Product Description

DESCRIPTION 

Expansion Consisting of 36% Nickel Invar Alloy

Invar (also know as Invar 36, NILO 36, Pernifer 36, and Invar Steel) is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision instruments like optoelectronic devices, optical and laser benches, electronics, and other kinds of scientific instruments.

APPLICATION

This alloy has been used for applications where dimensional changes due to temperature variation must be minimized such as in radio and electronic devices, aircraft controls, optical and laser system, etc.

PARAMETER

Cross Reference

Russia

USA

Japan

France

Germany

U.K.

36H

Invar

Cactus LE

Invar Standard

Vacodil36

Invar

Nilvar

Nilo36

36H-ВИ

Unipsan36

Fe-Ni36

Nilos36

36Ni

Typical chemistry

C

Si

P

S

Mn

Ni

Fe

0.05

0.30

0.020

0.020

0.20~0.60

35.0~37.0

Balance

Typical Physical Properties

Density

lb/cu in

0.291

Specific Gravity


0.825

Curie Temp

°F

535

°C

279

Melting Point

°F

2600

°C

1427

Electrical

Micro-ohm-cm

84

Resistivity

Micro-ohm-cm

495

Thermal

W/cm °C

0.10

Conductivity

BTU-in/sq. ft-hr-

72.6

Specific Heat

Cal/g- °C

0.123

BTU/lbm- °F

0.123

Average Coefficient of Linear Expansion

Heat Treatment of the Samples

Mean Coefficient of Linear Expansion

20 to l00℃

20 to 300℃

To heat the semi-finished products samples to 840±10°C, hold for1hour, and quench in the water. Machine the samples to finished samples. And heat at 315±10℃ for 1h, furnace or air cool.

1.5(max)


Mean Coefficient of linear expansion at different temperature, ā/(10-6/K)

图片1


SIZE RANGE

Sheet

Thickness:0.10mm~3.50mm, width: ≤300mm

Plate

Thickness:3.5mm~40.0mm, width: ≤500mm

Round wire

Thickness:0.10mm~5.0mm

Flat Wire

Dia 0.5mm~Dia 5.0mm, length≤1000

Rod

Dia 5.0mm~Dia 8.0mm, length≤2000

Dia 8.0mm~Dia 32.0mm, length≤2500

Dia 32.0mm~Dia180.0mm, length≤1000

Capillary

OD 8.0mm~1.0mm,ID 0.1~8.0 length≤2500

Pipe

OD 120mm~8.0mm,ID 8.0~129 length≤4000

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

ADVANTAGES

1. HIGH-QULITY PRODUCT

· ISO9001:2008 International Quality System Certification.

· With advanced equipment’s: VIMF, Induction Furnace, ESR Furnace etc.· Strict Quality-testing System.

2. STRONG R & D STRENGTH

· 40,000㎡ production base.

· 60+ R & D team members, with rich customization experience.

· A good assortment of alloy to choose.

3. EFFICIENT DELIVERY

· Flexible transport means, very convenient.

· Tailor a suitable transport plan.

4. GOOD SERVICE

· We provide online service, information feedback within 24 hours.

· Professional team to provide remote technical advice and guidance.

CONTACT

HANNSTAR INDUSTRY Co., Ltd.

TEL& WhatsApp+86-189-6300-9158

WeChat: hannstaredwin

Email: hannstar@hannstarsteel.com

Add.Dongying City, Shandong Province, China 


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