| Payment Type: | L/C,T/T,D/P,Paypal,Money Gram,Western Union |
|---|---|
| Incoterm: | FOB,CFR,CIF,FCA,CPT,CIP |
| Min. Order: | 1 Kilogram |
| Delivery Time: | 15 Days |
Basic Info
Model No.: SYMT-niobium Wire-vacuum
Alloy: Non-alloy
Secondary: Non-secondary
Purity:>=99.9% Or 99.95%: Size:Dia0.25~3mm
Additional Info
Packaging: wooden case
Productivity: 1ton/month
Brand: SYMT
Transportation: Ocean,Land,Air
Place of Origin: Shaanxi, China
Supply Ability: 10 Tons per Month
Certificate: ISO9001
Product Description
Vacuum Evaporator Coating niobium Wire
specification
Material: RO4200-1, RO4210-2A
Size: Dia0.25~3mm
Standard: As per ASTM B392-98
Purity: >=99.9% or 99.95%
2. Chemical composition:
|
Chemistry % |
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Designation |
Chief component |
Impurities maxmium |
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|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
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|
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 |
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3. Physical Properties
|
Niobium Physical Properties |
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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 |
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Electrical Resistivity |
micro-ohm-cm |
13.10 |
|
Recrystalization Temp. |
°C |
800 |
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4. Mechanical requirements (annealed condition)
|
Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
|
RO4200-1 RO4210-2 |
18000 (125) |
10500 (73) |
25 |
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Special requirements to be agreed on by the supplier and buyer of negotiations |
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5. 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.
6. 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
7. Transportation:
Shipping goods by TNT, DHL, Fedex, UPS, EMS etc.
Transport goods to Beijing or Shanghai air port by air transportation
Contact Person: Sarah jia
Phone：86-917-3906882
Fax：86-917-3906880
Address: Block A, Fortune Building, Gaoxin Avenue,Baoji,Shaanxi
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