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B393 Type 2 | UNS R04210 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor
R04210 (ASTM B393 : 2018) UNS R04210 ASTM B393 : 2018 Supersedes ASTM B393 : 2009 Valid USA B393 Type 2 1)
1) Remark: Commercial grade unalloyed niobium sheet, strip and plate.

Chemical Composition

Al [%] C [%] Fe [%] H [%] Hf [%] Mo [%] N [%] Ni [%] O [%] Si [%] Ta [%] Ti [%] W [%] Zr [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A25 [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm]
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Cross Reference

Material Name Country Standard
R04210 USA UNS
B393 Grade R04210-Type 2 USA ASTM B393-18
niobium

Material Compliance

REACh RoHS
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