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B394 Type 1 | UNS R04200 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Successor
R04200 (ASTM B394 : 2009) UNS R04200 ASTM B394 : 2009 ASTM B394 : 2009 replaced by ASTM B394 : 2018 Replaced USA B394 Type 1 1)
1) Remark: Reactor grade unalloyed niobium seamless and welded tubes.

Chemical Composition

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

Semi-finished Product Condition Temperature [°C] Specimen Direction 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
R04200 USA UNS
B394 Grade R04200-Type 1 USA ASTM B394-09
niobium

Material Compliance

REACh RoHS
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