Material  :  tantalum 2.5% tungsten refractory alloys (Ta2.5W) or (KBI-6)

                TaW2.5 alloy, Tantal 2,5 % Wolfram,  Tantal 2.5 Wolfram,  Tantal 2.5%  Wolfram.

Temper condition: annealed
Specs : according to ASTM B708 -98 R05252.
Chemical composition :
            O         0.0150 %max
            C         0.0100 %max
            N         0.0100 %max
            H         0.0015 %max
            Fe       0.0100%max
            Ni        0.0100%max
            Si        0.0050 %max
            Ti        0.0100 %max
            Mo       0.0200 %max
            W        2.0-3.5 % 
            Nb       0.5000 %max
            Ta       Remainder 
Physical & Mechanical property : 

When thickness <0.125 inch :
            Tensile strength  276 MPa min.
            Yield strength     207 MPa min.
            Elongation          20%min

When thickness ≥0.125 inch :
            Tensile strength  276 MPa min.
            Yield strength     152 MPa min.
            Elongation          25%min

Dimensions :
Thick 0.1 up to 20mm x Width up to 650mm max x Random Length 

Typical size:
Thickness 1.0mm x160mm x780mm (weight 2.211 kg/pc)
Thickness 0.4mm x 305mm x 455mm
Thickness 0.05mm X 56mm X 108mm
Thickness 0.05mm X 76mm X 500mm
Thickness 0.05mm X 76mm X 500mm
Thickness 0.05mm x width 150mm x 500mm;
Thickness 0.05mm x width 300mm x length 600mm;
Thickness 0.1mm(+/-0.01) x width 60mm (+/-0.5) x 330mm (+/-0.5);
Thickness 0.2mm(+/-0.01) x width 60mm (+/-0.5) x 330mm (+/-0.5);
Thickness 0.1mm(+/-0.01) x width 50mm (+/-0.5) x 330mm (+/-0.5);
Thickness 0.2mm(+/-0.01) x width 50mm (+/-0.5) x 330mm (+/-0.5);

Thickness .005"-.009" x Width up to 4"  x Random length;
Thickness .001"-.010" x Width up to 12" x Random length;
Thickness .010"-.020" x Width up to 24" x Random length;
Thickness .025"-.500" x Width up to 24" x Random length;
Thickness .500"-4.00" x Width up to 26" x Random length;