Changzhou Brilliance Special Steel Co., Ltd.: Changzhou, Jiangsu, China; Main products: High-temperature alloys, Corrosion-resistance alloys, Precision alloys, Pure nickel, Welding wire, Thermal spraying wire, Capillary tube

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ASTM F15 Kovar Bar

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US$ 20 - 25 / Kilogram

50 Kilograms(Min. Order)

Port Shanghai
Payment TermsT/T

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Product Details

Brand Name	Brilliance	Place of Origin	China
Model Number	BL-0115	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%

Product Description

Description:

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

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Changzhou Brilliance Special Steel Co., Ltd.: Contact nameDavid
Chat Now; Phone86-519-89986880; AddressXinbei, Changzhou, Jiangsu

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Product Categories

Precision Alloys	Pure Nickel	High-temperature Alloys	Anti-corrosion Alloys
Thermal Spraying Wire	Capillary Tube	Inconel Series	Incoloy Series
Monel Series	Nimonic Alloys	Udimet Alloys	Welding Wire

ASTM F15 Kovar Bar

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