Ta1 Tungsten wire high purity

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB
Min. Order: 10 Kilogram
Delivery Time: 15 Days

Basic Info

Model No.: SYMT-tungsten wireta2

Type: Tungsten Wire

Density: 19.1g/cm3

Certification: ISO9001:2008

Size: Min. Diameter 0.05mm

Additional Info

Packaging: wooden case

Productivity: 1 ton per month

Brand: SYMT

Place of Origin: Baoji,Shaanxi, China

Supply Ability: 10 ton per month

Certificate: ISO9001

Product Description

Specifications

Tantalum wire,Tantalum- tungsten alloy wire 
Material:RO5200, RO5400, RO5252(Ta2.5W), RO5255(Ta10W) 
Available size:Dia0.25~4mm

Tantalum wire Tantalum- tungsten alloy wire
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W) 
Available size: Dia0.25-4mm
Standard: As per ASTM B 365-98

 

Table 1:Chemical composition:

 

Designation

Chief component

Impurities  max(%)

Ta

Fe

Si

Ni

W

Mo

Ti

Nb

O

C

H

N

Ta1

Remainder

0.004

0.003

0.002

0.004

0.004

0.002

0.03

0.015

0.004

0.0015

0.002

Ta2

Remainder

0.01

0.01

0.005

0.02

0.02

0.005

0.08

0.02

0.01

0.0015

0.01

 

Table2. Permissible variations in diameter for rods and wires

Wire, Diameter, inch (mm)

Grade

Diameter,inch (mm)

tensile strength,psi (MPa),≥

Elongation, %, ≥

 

RO5200/RO5400

0.010(0.254)~0.0149(0.379)

35000 (241)

10

0.015(0.381)~0.0249(0.633)

35000 (241)

15

0.025(0.635)~0.124(3.14)

30000 (207)

20

RO5252

0.010(0.254)~0.0149(0.379)

40000 (276)

5

0.015(0.381)~0.0249(0.633)

40000 (276)

10

0.025(0.635)~0.124(3.14)

40000 (276)

15

RO5255

0.010(0.254)~0.0149(0.379)

70000 (482)

5

0.015(0.381)~0.0249(0.633)

70000 (482)

10

0.025(0.635)~0.124(3.14)

70000 (482)

15

RO5240

0.010(0.254)~0.0149(0.379)

35000 (244)

10

0.015(0.381)~0.0249(0.633)

35000 (244)

15

0.025(0.635)~0.124(3.14)

35000 (244)

20

 
Note: 10" (254mm) gage length to 0.050"(1.27mm) diameter and 1" (25.4mm) or 2"(50.8mm) gage length over 0.050"(1.27mm) diameter.

 

 

 

 

 

 

Table3. Mechanical requirements (annealed condition)

 

Rod, Diameter 0.125" (3.18mm)~2.5" (63.5mm)

Grade

Tensile strength, psi (MPa), ≥

Yield strength, psi (MPa), ≥

Elongation in 1 inch gage length, %, ≥

RO5200/RO5400

25000 (172)

15000 (103)

25

RO5252

40000 (276)

28000 (193)

20

RO5255

70000 (482)

55000 (379)

20

RO5240

35000 (244)

15000 (103)

25

 

 

Tantalum wire are used for the production of coiled incandescent lamp filaments, cathode and support structures for power tubes, heating elements for high temperature furnaces and evaporation sources in metallizing processes. Thicker wire sizes, straightened, finish-ground and cut into rod pieces are widely used for glass-to-metal seal lead parts in the lighting and electronic industries.



 

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Fax:86-917-3906880

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