| Description£º |
|
|
Commodity£ºTantalum wire
Standard£º ASTM B 365-98
Dimension:¡é0.25~¡é4mm
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Available size: ¡é0.25~¡é120mm
Standard: As per ASTM B 365-98
Purity : >=99.95% or 99.99% |
Table.1.Chemical composition:
|
Chemistry ppm |
|
Designation |
Chief component |
Impurities maxmium |
|
Ta |
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
O |
C |
H |
N |
|
Ta1 |
Remainder |
300 |
40 |
30 |
20 |
40 |
40 |
20 |
150 |
40 |
15 |
20 |
|
Ta2 |
Remainder |
800 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
TaNb3 |
Remainder |
£¼35000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
TaNb20 |
Remainder |
170000-
230000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
|
Ta2.5W |
Remainder |
400 |
50 |
30 |
20 |
30000 |
60 |
20 |
150 |
50 |
15 |
60 |
|
Ta10W |
Remainder |
400 |
50 |
30 |
20 |
110000 |
60 |
20 |
150 |
50 |
15 |
60 |
Table2. Permissible variations in diameter for rods and wires
|
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) |
Table3. Mechanical requirements (annealed condition)
|
Wire, Diameter, inch (mm) |
|
Grade |
Diameter, inch (mm) |
tensile strength, psi (MPa),¡Ý |
Elongation, %, ¡Ý |
|
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) |
40000 (276) |
10 |
|
0.015(0.381)~0.0249(0.633) |
40000 (276) |
15 |
|
0.025(0.635)~0.124(3.14) |
40000 (276) |
20 |
Note: 10" (254mm) gage length to 0.050"(1.27mm) diameter and 1" (25.4mm) or 2"(50.8mm) gage length over 0.050"(1.27mm) diameter Special requirements to be agreed on by the supplier and buyer of negotiation
