ASTM B365 high purity 99.95% tantalum wire

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

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)

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

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