Your position:

Home >> Products >> Tantalum >> Tantalum bar

1.Tantalum rods Tantalum- tungsten alloy rods

Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)

Available size: Dia3-120mm

Standard: As per ASTM B 365-98

2.Chemical composition:

Chemistry                                                                %

Designation

Chief component

Impurities   maxmium

Ta

Nb

Fe

Si

Ni

W

Mo

Ti

Nb

O

C

H

N

Ta1

Remainder

 

0.004

0.003

0.002

0.004

0.006

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

3.Permissible variations in diameter for bars

Diameter, inch (mm)

Tolerance <, +/-inch (mm)

0.010~0.020 excl (0.254~0.508)

< 0.0005 (0.013)

0.020~0.030 excl (0.508~0.762)

< 0.00075 (0.019)

0.030~0.060 excl (0.762~1.524)

< 0.001 (0.025)

0.060~0.090 excl (1.524~2.286)

< 0.0015 ( 0.038)

0.090~0.125 excl (2.286~3.175)

< 0.002 (0.051)

0.125~0.187 excl (3.175~4.750)

< 0.003 (0.076)

0.187~0.375 excl (4.750~9.525)

< 0.004 (0.102)

0.375~0.500 excl (9.525~12.70)

< 0.005 (0.127)

0.500~0.625 excl (12.70~15.88)

< 0.007 (0.178)

0.625~0.750 excl (15.88~19.05)

< 0.008 (0.203)

0.750~1.000 excl (19.05~25.40)

< 0.010 (0.254)

1.000~1.500 excl (25.40~38.10)

< 0.015 (0.381)

1.500~2.000 excl (38.10~50.80)

< 0.020 (0.508)

2.000~2.500 excl (50.80~63.50)

< 0.030 (0.762)


4. Mechanical requirements (annealed condition)