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Conpany Profile
Product Details
Baoji Shengyuan Metal Material Co.,Ltd is one of the leading China niobium wire manufacturers and suppliers, equipped with a professional factory and company, welcome to wholesale quality niobium coil products from us.
Specification
Material:RO4200-1, RO4210-2A
Size:Dia0.25~3mm
Standard:As per ASTM B392-98
Purity:>=99.9% or 99.95%
Chemical Composition
Chemistry % |
|||||||||||||
Designation |
Chief component |
Impurities maxmium |
|||||||||||
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
||
Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.07 |
0.015 |
0.004 |
0.0015 |
0.002 |
|
Nb2 |
Remainder |
0.02 |
0.02 |
0.005 |
0.02 |
0.02 |
0.005 |
0.15 |
0.03 |
0.01 |
0.0015 |
0.01 |
|
Physical Properties
Niobium Physical Properties |
||
Density |
lb/in3 |
0.31 |
gm/cm3 |
8.57 |
|
Melting Point |
°F |
4380 |
°C |
2415 |
|
Specific Heat |
Cal/gm/°C |
0.065 |
Coefficient of Linear Thermal Expansion |
micro-in/°F x 10-6 |
7.10 |
micro-in/°C x 10-6 |
4.00 |
|
Electrical Resistivity |
micro-ohm-cm |
13.10 |
Recrystalization Temp. |
°C |
800 |
Mechanical Requirements (annealed condition)
Grade |
Tensile strength dbpsi (MPa), = |
Yield strength d0.2, psi (MPa),= |
Elongation in 1"/2" gage length, %, = |
RO4200-1 RO4210-2 |
18000 (125) |
10500 (73) |
25 |
Special requirements to be agreed on by the supplier and buyer of negotiations |
Applications
A.For rare-earth metallurgy, load plates for the anodes of niobium electrolyzing capacitors and for corrosion resistant containers in chemical industries.
B.Electron, aviation, aerospace, atomic energy, military industry, etc.
Package Details
First, packaging with moisture-proof paper
Second, packaging with kraft paper
Third, packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case
Transportation
Shipping goods by TNT,DHL,Fedex,UPS,EMS etc.
Transport goods to Beijing or Shanghai air port by air transportation
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