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Iron-Nickel-Cobalt Alloy, Nilo K

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US$ 20 - 25 MOQ: 50 Kilograms
Key Specifications
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Brand Name:
Brilliance
Place of Origin:
China
Model Number:
BL-0120
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Changzhou Brilliance Special Steel Co., Ltd.
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Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.

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Brand Name Brilliance
Place of Origin China
Model Number BL-0120
Type Nickel Bar
Application Precision Instruments
Ultimate Strength (≥ MPa) 700
Grade Iron-nickel-cobalt Alloy
Elongation (≥ %) 32
Powder Or Not Not Powder
Ni (Min) 28.5-29.5%

Kovar alloy is a vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Extensive quality controls are employed in the manufacture of this alloy to ensure uniform physical and mechanical properties for ease in deep drawing, stamping and machining.


Our production process for Kovar alloy is first melted using Vacuum Induction Melting (VIM) techniques. A secondary melt operation, Electro Slag Remelt (ESR), is then employed to further remove impurities and improve overall homogeneity.


Commerical Trdae Name 
ASTM F15, NILO K, Pernifer 2918, Rodar and Dilver P1
Material
Iron-Nickel-cobalt Alloy
Specification
ASTM F15
Thermal Expansion
4.6 to 5.2  at (30 to 400 ℃)
Surface Finish
Ground Surface
Process
VIM +ESR  Melting
Application
hard glass to metal seals
Related Specifications & Registered Names
Kovar 
Nicoseal 
Nicosel 
Rodar 
Telcoseal 
Sealvar 
Alloy 29-17 
Nilo K 
Dilver 
Pernifer 29-18 
UNS K94610
ASTM F 15
AMS 7726
AMS 7727
AMS 7728
MIL-I-23011 class 1.
Werkstoff Nr. 1.3981
DIN 17745
AFNOR NF A54-301
S.E.W. 385
FORMS OF SUPPLY
ROD
Dia.20 to 280mm,Length2000mm,Max
Surface Finish: Black, De-scaling & Ground Surface
STRIP/SHEET
T0.1 to 3.0mm ,width300mm,Max
Temper Name : Hard / Annealed
PLATE
T3.0 to 40.0mm,Width1000mm,Max
Surface Finish: Black / Bright
Permissible Variations for Rod
Black Surface
De-scaling Surface
Ground Surface
Diameter Tolerance ±1.0mm
Diameter Tolerance :±0.5mm
Diameter Tolerance :±0.1mm
Length Tolerance  +5mm
Length Tolerance: +2.0mm
Length Tolerance: +1.0mm
Product Datasheet
TABLE 1   Chemical Composition (Weight,%)
Ni
28.5-29.5
Co
16.8-17.8
Si,Max
0.20
Mn,Max
0.50
C,Max
0.04
Al,Max
0.10
Mg,Max
0.10
Zr,Max
0.10
Ti,Max
0.10
Cu,Max
0.20
Cr,Max
0.20
Mo,Max
0.20
Fe
Balance
TABLE 2    Physical Properties
Density, lb/cu in
0.302
Specific Gravity
8.36
Curie Temp,°C
435
Melting Point,°C
1449
Electrical Resistivity,mm2/m
49
Thermal Conductivity,BTU-in/sq. ft-hr-
120
Specific Heat ,ppm/°C (25°C to 450°F)
5.3
TABLE 3    Tensile Strength for Sheet & Strip
Tmper Designation
Temper Nam
Tensile Strngth,MPa
A
Annealed
570,Max
B
1/4  Hard
520 to 630
C
Half Hard
590 to 700
D
3/4 Hard
660 to 770
E
Hard
700,Min
TABLE 4     Tensile Strength for Wire & Rod
Tmper Designation
Tensile Strngth,MPa
A
585,Max
B
585 to 725
C
655 to 795
D
725 to 865
E
865,Min
TABLE 5     Average Linear Coefficient of Thermal Expansion
30 to 400 ℃
4.6 to 5.2 µm/m -°C
30 to 450 ℃
5.1 to 5.5 µm/m -°C
TABLE 6      Machanical Property
Tensile Strength
MPa
Yield Strength
MPa
Elongation
% in 50mm
Hardness
HRC
Modulus of Elasticity
MPa
518
276
30
80
207


Product Tags: 4J29 , Kovar , F-15

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Changzhou Brilliance Special Steel Co., Ltd.
Verified Business License
Business Type
Manufacturer
Year Established
2018
Annual Export Value
Below US$1 Million
Product Certifications
ISO9001
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