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Tantalum bar、tantalum wire、tantalum tungsten alloy bar(Ta-2.5W) 、tantalum tungsten alloy wire(Ta-10W)
Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO 5255(Ta-10W)
Standard:￠0.25~￠100 mm
Carried standard: ASTM B365
Ingredient declarations:
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Composition,％
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material
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Main composition
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Impurities maxmium
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Ta
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Nb
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Fe
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Si
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Ni
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W
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Mo
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Ti
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Nb
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O
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C
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H
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N
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Ta1
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surplus
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——
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0.005
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0.005
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0.002
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0.01
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0.01
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0.002
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0.03
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0.015
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0.01
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0.0015
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0.01
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Ta2
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surplus
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——
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0.03
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0.02
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0.005
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0.04
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0.03
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0.005
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0.1
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0.02
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0.01
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0.0015
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0.01
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TaNb3
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surplus
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＜3.5
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0.03
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0.03
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0.005
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0.04
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0.03
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0.005
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——
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0.02
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0.01
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0.0015
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0.01
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TaNb20
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surplus
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17.0～23.0
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0.03
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0.03
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0.005
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0.04
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0.03
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0.005
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——
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0.02
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0.01
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0.0015
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0.01
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Ta2.5W
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surplus
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0.005
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0.005
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0.002
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3.0
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0.01
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0.002
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0.04
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0.015
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0.01
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0.0015
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0.01
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Ta10W
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surplus
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0.005
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0.005
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0.002
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11
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0.01
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0.002
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0.04
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0.015
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0.01
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0.0015
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0.01
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If users have special requirements, both sides can discuss.
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The scope of permissible variations:
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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)
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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)
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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)
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0.375~0.500 excl (9.525~12.70)
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< 0.005 (0.127)
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0.500~0.625 excl (12.70~15.88)
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< 0.007 (0.178)
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0.625~0.750 excl (15.88~19.05)
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< 0.008 (0.203)
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0.750~1.000 excl (19.05~25.40)
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< 0.010 (0.254)
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1.000~1.500 excl (25.40~38.10)
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< 0.015 (0.381)
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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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Mechanical properties :
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Bar,diameter 0.125 in.(3.18mm)~2.5" (63.5mm)
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Material
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Ultimate tensile strength, min.pound/in.2（MPa）
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Yield strength, min.
pound/ in.2（MPa）
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Elongation, min.％
（1 in. gauge length）
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RO5200/RO5400
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25000 (172)
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15000 (103)
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25
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RO5252
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40000 (276)
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28000 (193)
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20
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RO5255
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70000 (482)
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55000 (379)
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20
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RO5240
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35000 (244)
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15000 (103)
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25
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Wire, diameter, inch (mm)
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standard
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Diameter, inch (mm)
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Ultimate tensile strength, min.
pound/in. 2（MPa）
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Elongation, min ％
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RO5200/RO5400
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0.010(0.254)~0.0149(0.379)
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35000 (241)
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10
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0.015(0.381)~0.0249(0.633)
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35000 (241)
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15
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0.025(0.635)~0.124(3.14)
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30000 (207)
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20
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RO5252
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0.010(0.254)~0.0149(0.379)
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40000 (276)
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5
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0.015(0.381)~0.0249(0.633)
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40000 (276)
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10
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0.025(0.635)~0.124(3.14)
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40000 (276)
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15
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RO5255
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0.010(0.254)~0.0149(0.379)
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70000 (482)
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5
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0.015(0.381)~0.0249(0.633)
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70000 (482)
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10
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0.025(0.635)~0.124(3.14)
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70000 (482)
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15
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RO5240
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0.010(0.254)~0.0149(0.379)
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35000 (244)
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10
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0.015(0.381)~0.0249(0.633)
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35000 (244)
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15
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0.025(0.635)~0.124(3.14)
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35000 (244)
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20
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10 inch（254mm）gauge length is suitable to 0.050 inch(1.27mm) diam.; 1 inch(25.4mm)or 2 inch(50.8mm)gauge length is suitable to exceed 0.050 inch(1.27mm) diam.。
Purity: >=99.95%, 99.99%
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