Niobium Zirconium Capillary Tube
Product Niobium Zirconium Capillary Tube (NbZr Capillary Tube)
Part Number TRM-NB016
Material UNS R04261
Density 8.57 g/cm3

Niobium zirconium alloy is a low-strength alloy and it is typically used in the aerospace industries. Our capillary tubes are seamless tubes, and the temper is annealed condition or un-annealed condition at your choice. Please contact us for more details.

Standard Packing: NbZr Capillary Tube is wrapped in a plastic bag and Packed in a carton box.

Thermostability 85%
Machinability 78%
Corrosion Resistance 83%

Order Information

Please include the following information with your inquires and orders:
1. Quantity
2. Dimensions

Assay

Elements Type 4 (Commercial Grade Niobium-1% Zirconium) R04261
 C 0.01% max
 N 0.01% max
 O 0.025% max
 H 0.0015% max
 Zr 0.8% to 1.2% (range)
 Ta 0.5% max
 Fe 0.01% max
 Si 0.005% max
 W 0.05% max
 Ni 0.005% max
 Mo 0.05% max
 Hf 0.02% max
 Ti 0.03% max

Typical Size Available (Please inquire for details)

Dimensions Range Typical Tolerance
Outer Diameter (OD) 0.008”-0.3” +/-0.008”
Wall Thickness (WT) 0.0006”-0.02” +/-0.004”
Length (L) up to 40” Plus Tolerance

Please refer to the Niobium Zirconium Tube for larger sizes.

Materials available for Niobium and Niobium Alloy Capillary Tube

R04210-Type 2—Commercial grade unalloyed niobium,

R04261-Type 4—Commercial grade niobium alloy, containing 1% of zirconium.

Physical Properties

Physical properties Niobium (Atomic#41)
Phase Solid
Melting Point 2750 K (2477°C, 4491°F)
Boiling Point 5017 K (4744°C, 8571°F)
Heat of Fusion 30 kJ/mol
Heat of Vaporization 689.9 kJ/mol
Molar Heat Capacity 24.60 J/(mol•K)