Tantalum & Alloy sheet plate strip  


   Material:

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

    Available size:

    Tantalum sheet and plate::    size: up to 600mm x 5000mm  thickness: as request

    Tantalum strip in coil:  width up to 600mm, the width according to the thinkness.  Coil weight: 50kg max  

    Standard: As per ASTM B708-01

    Table1. Mechnical requirement

Grade and size  

   Annealed

 Tensile strength min, psi (MPa) Yield strength min,psi (MPa)(2%)  Elongation min, % (1 inch gage length) 

 Sheet, plate and strip 

(RO5200, RO5400)

 Thickness<0.060"(1.524mm) 

Thickness≥0.060"(1.524mm)

     
     

 30000 (207)

 20000 (138)

 20

 25000 (172)

 15000 (103)

 30

 Ta-10W 

(RO5255)

 Sheet, strip

 Plate
     
     

 70000 (482)

60000 (414) 

15 

 70000 (482)

55000 (379)

 20

 Ta-2.5W

(RO5252)

Thickness<0.125" (3.175mm)

Thickness≥0.125" (3.175mm)

     
     

 40000 (276)

30000 (207) 

20 

 40000 (276)

22000 (152) 

25 

 Ta-40Nb   

(RO5240)

 Thickness<0.060"(1.524mm)

Thickness≥0.060"(1.524mm)

     
     

 35000 (241)

20000 (138) 

25 

 35000 (241)

15000 (103) 

25 

 

    Table 2.  Pemissible variations in thickness, width and length

 Thickness

Thickness variation A, +/- inch (mm) 

  Width variation B, +/-inch (mm)

    Length variation after cutting adge, inch (mm)

 Inch

 (mm)

Width<6"

(152.4mm)

 Width 2-24"

(152.4-609.6mm)

 Width<6"

(152.4mm)

 Width 2-24"

(152.4-609.6mm)

 length≤12" 

(304.8mm)

   length>12" 

(304.8mm)

 +

 +

 0.0051-0.010

(0.129-0.254)

0.0005

(0.0127) 

 

 

0.012

(0.305) 

 1/16

(1.59)

1/4

(6.35) 

 0.011-0.015

(0.279-0.381)

 0.0007

(0.0178)

0.001

(0.0254) 

0.015

(0.381) 

0.015

(0.381) 

1/16

(1.59) 

1/4

(6.35) 

 0

 0.016-0.020

(0.406-0.508)

0.0008

(0.0203) 

0.0015

(0.0381) 

0.015

(0.381) 

0.015

(0.381) 

 1/16

(1.59)

 0

 1/4

(6.35) 

 0

 0.021-0.030

(0.533-0.762)

0.0015

(0.0381) 

0.0025

(0.0635) 

0.020

(0.508) 

0.025

(0.635) 

 1/16

(1.59)

 0

 1/4

(6.35) 

 0

 0.031-0.060

(0.787-1.524)

0.0025

(0.0635) 

0.0035

(0.0889) 

0.025

(0.635) 

0.030

(0.762) 

 1/16

(1.59)

 0

1/4

(6.35) 

 0

 0.061-0.090

(1.549-2.286)

0.004

(0.1016) 

0.005

(0.1270) 

0.025

(0.635) 

0.035

(0.889) 

 1/16

(1.59)

 0

 1/4

(6.35) 

 0

 0.091-0.125

(2.311-3.175)

0.006

(0.1524) 

0.007

(0.1778) 

 

 

 1/16

(1.59)

 0

 1/4

(6.35) 

 0

 0.126-0.187

(3.200-4.750)

0.010

(0.2540) 

0.010

(0.2540) 

 

 

 1/16

(1.59)

 0

 1/4

(6.35) 

 0