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FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments

Name: FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments
Brand: Shanghai Tankii Alloy Material Co.,Ltd
SKU: invar 36
Price: 499.05 USD
Availability: InStock

Product Details

Place of Origin: Shanghai, China，

Brand Name: TANKII

Certification: ISO9001, SGS

Model Number: invar 36

Payment & Shipping Terms

Minimum Order Quantity: 10 KG

Price: negotiable

Packaging Details: Wooden Case

Delivery Time: 7-20 days

Payment Terms: L/C, T/T, Western Union

Supply Ability: 100 Tons per month

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Specifications

Description

Specifications

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                                                                                                                                                                                                                                                                                                                                                                                                                                                          0.20 mm Min. OD Nickel Alloy Tube, Bright Surface Invar Tube, Seamless Tube FeNi36 Tube
                                                  

Model NO.:	FeNi36	OD:	0.20 Mm Min.
WT:	0.015 MM MIN.	Length:	0.20 Mm Min.
Shape:	Coil Pipe; Capillary Pipe Seamless Tube	Surface:	Bright Surface
Sample:	Accpted Small Order

Model NO.:	FeNi36
OD:	0.20 Mm Min.
WT:	0.015 MM MIN.
Length:	0.20 Mm Min.
Shape:	Coil Pipe; Capillary Pipe Seamless Tube
Surface:	Bright Surface
Sample:	Accpted Small Order

Description

FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments

Invar is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the Level staff (leveling rod) used is made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.

Invar use oxyacetylene welding, electric arc welding, welding and other welding methods. Since the coefficient of expansion and chemical composition of the alloy is related should be avoided due to welding causes a change in the alloy composition, it is preferable to use Argon arc welding welding filler metals preferably contains 0.5% to 1.5% titanium, in order to reduce weld porosity and crack.

Controlled Expansion and Glass Sealing Alloys
German standard number	Tradename	DIN	UNS
1.3912	Alloy 36	17745	K93600/93601
1.3917	Alloy 42	17745	K94100
1.3922	Alloy 48	17745	K94800
1.3981	Pernifer2918	17745	K94610
2.4478	NiFe 47	17745	N14052
2.4486	NiFe47Cr	17745	-

Normal composition%

Ni	35~37.0	Fe	Bal.	Co	-	Si	≤0.3
Mo	-	Cu	-	Cr	-	Mn	0.2~0.6
C	≤0.05	P	≤0.02	S	≤0.02

Coefficient of expansion

θ/ºC	α1/10-6ºC-1	θ/ºC	α1/10-6ºC-1
20~-60	1.8	20~250	3.6
20~-40	1.8	20~300	5.2
20~-20	1.6	20~350	6.5
20~-0	1.6	20~400	7.8
20~50	1.1	20~450	8.9
20~100	1.4	20~500	9.7
20~150	1.9	20~550	10.4
20~200	2.5	20~600	11.0

Typical Physical properties

Density (g/cm3)	8.1
Electrical resistivity at 20ºC(OMmm2/m)	0.78
Temperature factor of resistivity(20ºC~200ºC)X10-6/ºC	3.7~3.9
*Thermal conductivity, λ/ W/(mºC)**	11
Curie point Tc/ ºC	230
Elastic Modulus, E/ Gpa	144

FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments 0

FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments 1

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