Niobium Tube

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Posted On

23-Sep-13

Product Details

al: RO4200-1， RO4210-2
Diameter:　φ1.0-100mm
Thickness:　0.2-5.0mm
Length:　　200mm-9000mm
Standard: As per ASTM B394-98
Purity: ≧99.9％　 or　 99.95％
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Properties of niobium tube:
Niobium tube has such properties as high melting point, good corrosion resistance and good processing properties.
Applications of niobium tube:
Niobium tube is mainly used for spinning of thin tube blank, thermocouple cannula and other special purposes.

Table.1 Chemical composition:
chemistry%
designation chief component impurities maximum
Nb Fe Si Ni W Mo Ti Ta O C H N
Nb1 Remainder 0.004 0.003 0.002 0.004 0.004 0.002 0.07 0.01 0.004 0.0012 0.002
Nb2 Remainder 0.005 0.005 0.005 0.01 0.01 0.004 0.1 0.015 0.01 0.0015 0.01
　
Table 2. Mechanical requirements (annealed condition)
Grade Tensile strength　 δbpsi (MPa)， ≥　　 Yield strength　　δ0.2， psi (MPa)，≥ Elongation in 1"/2" gage length，％， ≥
RO4200-1
RO4210-2 　18000 (125) 10500 (73)　 25　
　
Special requirements to be agreed on by the supplier and buyer of negotiations
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