Super High Resistance Nickel Invar
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Super High Resistance Nickel Invar

Super High Resistance Nickel Invar ,A low expansion alloy consisting of 32% Nickel, 4% Cobalt, and balance Iron. Super Invar Alloy exhibits minimum thermal expansion at room temperatures (one half of Invar Alloy), as well as thermal expansion properties less than that of Invar Alloy in the 67/203°F (-55/95°C) temperature range.

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Product Description

DESCRIPTION   Super High Resistance Nickel Invar

Super High Resistance Nickel Invar ,A low expansion alloy consisting of 32% Nickel, 4% Cobalt, and balance Iron. Super Invar Alloy exhibits minimum thermal expansion at room temperatures (one half of Invar Alloy), as well as thermal expansion properties less than that of Invar Alloy in the 67/203°F (-55/95°C) temperature range. The minimal expansion of Super Invar over this range of temperatures, makes this alloy useful in many applications including structural components and substrates in instrument systems requiring precision measurements.

APPLICATION

Optical instruments. Telescopes. Laser instruments and equipment. Ring laser gyroscopes. Laser benches. Positioning devices. Metrology devices. Structural components. Substrates in instrument systems requiring precision measurements, and other applications that require lower expansivity than Invar Alloy provides.

PARAMETER

Cross Reference

Russia

USA

Japan

France

32HКД

Super-invar

SI

Invar

32HК-BИ

Super-Nilvar


Superieur

Typical chemistry

C

Si

P

S

Cu

Mn

Ni

Co

Fe

0.05

0.20

0.020

0.020

0.40-0.80

0.20-0.60

31.5-33.0

3.20-4.20

Balance

Notes:Under condition that the average coefficient of the linear expansion meets the requirements of the standard, the content of nickel and cobalt are allowed to deviate from the stated range.

Typical Physical Properties

Density

lb/cu in

0.294

Specific Gravity


8.15

Curie Temp

°F

535

°C

279

  Melting Point

°F

4600

°C

1454

Electrical Resistivity

Micro-ohm-cm

80

Micro-ohm-c

481.3

  Tensile Strength

ksi

70

MPa

483

Yield Strength

ksi

40

MPa

276

Elongation

% in 2 in.

40

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.

1.0(max)


Typical Expansion Coefficient

Temp

20--50℃

0-100℃

20-200℃

20-300℃

20-400℃

20-500℃

Value

0.7

0.8

1.4

4.3

7.2

9.3

Typical Mechanical Properties

shape

Delivery state

Thickness & diameter/mm

Tensile strength òь/Mpa

Elongation ò(%)

Strip

Cold rolled

0.20-2.50

1225

5

Annealed

0.20-1.00

1080

8

Wire

Cold drawn

0.50-5.00

1375

5

Rod

Cold drawn

3.0-18.0

1325

5

Pipe & Flat spring

Hot rolled &hot forged

6.0-25.0

1080

10

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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