| Description£º |
|
|
Commodity: Tantalum rod
Standard: ASTM B 365-98
Dimension: ¡é3~¡é120mm
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Available size: ¡é3~¡é120mm
Standard: As per ASTM B 365-98
Purity: ¡Ý 99.95 % |
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
|
Diameter, inch (mm) |
Tolerance, +/-inch (mm) |
|
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) |
Table3. Mechanical requirements (annealed condition)
|
Rod, Diameter 0.125" (3.18mm)~2.5" (63.5mm) |
|
Grade |
Tensile strength, psi (MPa), ¡Ý |
Yield strength, psi (MPa), ¡Ý |
Elongation in 1 inch gage length, %, ¡Ý |
|
RO5200/RO5400 |
25000 (172) |
15000 (103) |
25 |
|
RO5252 |
40000 (276) |
28000 (193) |
20 |
|
RO5255 |
70000 (482) |
55000 (379) |
20 |
|
RO5240 |
40000 (276) |
28000(193) |
25 |
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
