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Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd
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FeNi36 Invar Nickel Alloy Tube with 0.20 mm Min. OD Bright Surface Seamless Construction for Precision Instruments

Détails de produit

Lieu d'origine: Shanghai, Chine,

Nom de marque: TANKII

Certification: ISO9001, SGS

Numéro de modèle: Invar 36

Conditions de paiement et d'expédition

Quantité de commande min: 10 kg

Prix: Négociable

Détails d'emballage: caisse en bois

Délai de livraison: 7-20 jours

Conditions de paiement: LC, T/T, Western Union

Capacité d'approvisionnement: 100 tonnes par mois

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Les spécifications
Mettre en évidence:

0.20 mm Min. OD Nickel Alloy Tube

,

Bright Surface Invar Tube

,

Seamless Tube FeNi36 Tube

Numéro de modèle.:
FeNi36
DO:
0,20 mm Min.
POIDS:
0,015 MM MINIMUM.
Longueur:
0,20 mm Min.
Forme:
tuyau en serpentin ; Tube capillaire Tube sans soudure
Surface:
Surface brillante
Échantillon:
petite commande acceptée
Numéro de modèle.:
FeNi36
DO:
0,20 mm Min.
POIDS:
0,015 MM MINIMUM.
Longueur:
0,20 mm Min.
Forme:
tuyau en serpentin ; Tube capillaire Tube sans soudure
Surface:
Surface brillante
Échantillon:
petite commande acceptée
Définition
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/(m*ºC) 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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