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ASTMB394 niobium tube/pipe

 
     

ASTMB394 niobium tube/pipe

1.specification

Grade: RO4200.RO4210

Size : Diameter: Dia. 1.0-100mm,Wallness: 0.2-5.0mm,Length:  200mm-6000mm

Standard: ASTMB394

Color: Silvery gray

Available grades :  Pure grade, Nb-Ti alloy, Nb-Zr alloy (Nb-Zr1%, Nb-Zr10%)

Supply condition: Cold rolled, Hot rolled, Extruded

Product Feature : High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion

Related Products niobium bar ,    niobium sheet , niobium pipe , niobium  wire ,  niobium foil ,  niobium  standard parts ,  niobium mesh , niobium disk ,   niobium crafts and so on.

2.Mechnical properties

Grade(UNS)

Annealed

Tensile strength min, psi (MPa)

Yield strength min,psi (MPa)

Elongation min, % (1 inch gage length)

R04200

18000 (125)

10500 (73)

25

R04210  Welded

18000 (125)

8500 (59)

25

 R04210  Seamless

18000 (125)

10500 (73)

25

 R04251

28000(195) 

18000(125) 

20 

 R04261

 28000(195)

18000(125) 

20 

 Chemical Components:

Content, Max, Weight %
Element

R04200

Unalloyed Niobium

R04210

Unalloyed Niobium

R04251 (Reactor grade niobium-1% Zirconium)

R04261 (Commercial grade niobium-1% Zirconium)

C 0.010 0.010 0.010 0.010
O 0.015 0.025 0.015 0.025
N 0.010 0.010 0.010 0.010
H 0.0015 0.0015 0.0015 0.0015
Fe 0.005