ASTM RO5200 99.95% Pure Tantalum and Other Alloy Plate and Sheet for Capacitor Application

Grade

Chief component

Impurities  max

Ta

Other

Fe

Si

Ni

W

Mo

Ti

Nb

O

C

H

N

Ta1

Balance

0.004

0.003

0.002

0.004

0.004

0.002

0.03

0.015

0.004

0.0015

0.002

Ta2.5W

Balance

W2.0~3.5

0.01

0.005

0.005

—

0.02

0.003

0.05

0.015

0.01

0.002

0.01

Ta10W

Balance

W9.5~11

0.01

0.005

0.005

—

0.02

0.003

0.05

0.015

0.01

0.002

0.01

TaNb3

Balance

Nb1.5~3.5

0.03

0.03

0.005

0.04

0.03

0.005

—

0.03

0.02

0.005

0.025

Note：Ta1=RO5200     Ta2.5W=RO5252     Ta10W=RO5255

Tensile strength

min， psi (MPa)

Yield strength min，psi (MPa)(2％)

Elongation min， ％ 

(1 inch gage length)

 Ta1(RO5200)

Thickness<0.060"(1.524mm)

Thickness≥0.060"(1.524mm)

30000 (207)

20000 (138)

20

25000 (172)

15000 (103)

30

Ta2.5W　 (RO5252)

Thickness<0.125" (3.175mm)

Thickness≥0.125" (3.175mm)

40000 (276)

30000 (207)

20

40000 (276)

22000　(152)

25

Ta10W　(RO5255)

70000 (482)

60000 (414)

15

70000 (482)

55000 (379)

20

0.03~0.09

100

—

>0.09-0.50

30~300

50~2000

>0.50-0.80

30~300

50~1000

>0.80-1.00

50~400

50~1000

>1.00-1.50

50~400

50~1000

>1.50-3.00

50~400

50~1000

>3.00-4.00

50~400

50~1000

>4.00-6.00

50~400

50~1000

          >6.00

50~400

50~1000

Note:All the products can be supplied in according to customer’s requirement.

Width < 6 inch 

(152.4mm)

Width < 6~24 inch (152.4~609.6mm)

 0.0051~0.010(0.129~0.254)

0.0005 (0.0127) 

 0.011~0.015 (0.279~0.381)

0.0007 (0.0178) 

0.001(0.0254)

 0.016~0.020 (0.406~0.508)

0.0008 (0.0203) 

0.0015(0.0381)

 0.021~0.030(0.533~0.762)

0.0015 (0.0381) 

0.0025(0.0635)

 0.031~0.060(0.787~1.524)

0.0025(0.0635) 

0.0035(0.0889)

 0.061~0.090(1.549~2.286)

0.004 (0.1016) 

0.005(0.1270)

 0.091~0.125(2.311~3.175)

0.006(0.1524) 

0.007(0.1778)

 0.126~0.187(3.200~4.750)

0.010(0.2540)

0.010(0.2540)

 Note:Special demands on tolerance available.