Tantalum rods Tantalum- tungsten alloy rods
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Available size: ￠4~￠120mm
Standard: As per ASTM B 365-98
Table2. Permissible variations in diameter for rods and wires
Table3. Mechanical requirements (annealed condition)
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.
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Available size: ￠4~￠120mm
Standard: As per ASTM B 365-98
Table.1.Chemical composition:
Table2. Permissible variations in diameter for rods and wires
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Diameter, inch (mm)
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Tolerance <, +/-inch (mm)
|
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0.010~0.020 excl (0.254~0.508)
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< 0.0005 (0.013)
|
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0.020~0.030 excl (0.508~0.762)
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< 0.00075 (0.019)
|
|
0.030~0.060 excl (0.762~1.524)
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< 0.001 (0.025)
|
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0.060~0.090 excl (1.524~2.286)
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< 0.0015 ( 0.038)
|
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0.090~0.125 excl (2.286~3.175)
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< 0.002 (0.051)
|
|
0.125~0.187 excl (3.175~4.750)
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< 0.003 (0.076)
|
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0.187~0.375 excl (4.750~9.525)
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< 0.004 (0.102)
|
|
0.375~0.500 excl (9.525~12.70)
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< 0.005 (0.127)
|
|
0.500~0.625 excl (12.70~15.88)
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< 0.007 (0.178)
|
|
0.625~0.750 excl (15.88~19.05)
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< 0.008 (0.203)
|
|
0.750~1.000 excl (19.05~25.40)
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< 0.010 (0.254)
|
|
1.000~1.500 excl (25.40~38.10)
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< 0.015 (0.381)
|
|
1.500~2.000 excl (38.10~50.80)
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< 0.020 (0.508)
|
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2.000~2.500 excl (50.80~63.50)
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< 0.030 (0.762)
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Table3. Mechanical requirements (annealed condition)
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Rod, Diameter 0.125" (3.18mm)~2.5" (63.5mm)
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|||||
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Grade
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Tensile strength, psi (MPa), ≥
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Yield strength, psi (MPa), ≥
|
Elongation in 1 inch gage length, ％, ≥
|
||
|
RO5200/RO5400
|
25000 (172)
|
15000 (103)
|
25
|
||
|
RO5252
|
40000 (276)
|
28000 (193)
|
20
|
||
|
RO5255
|
70000 (482)
|
55000 (379)
|
20
|
||
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RO5240
|
35000 (244)
|
15000 (103)
|
25
|
||
|
Wire, Diameter, inch (mm)
|
|||||
|
Grade
|
Diameter, inch (mm 21a2 )
|
tensile strength, psi (MPa), ≥
|
Elongation, ％, ≥
|
||
|
RO5200/RO5400
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0.010(0.254)~0.0149(0.379)
|
35000 (241)
|
10
|
||
|
0.015(0.381)~0.0249(0.633)
|
35000 (241)
|
15
|
|||
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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)
|
35000 (244)
|
10
|
||
|
0.015(0.381)~0.0249(0.633)
|
35000 (244)
|
15
|
|||
|
0.025(0.635)~0.124(3.14)
|
35000 (244)
|
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.