tantalum-niobium carbide solid solution powder

Solid solution powders of tantalum carbide-niobium carbide
Grade: 80: 20, 60: 40, 90: 10, 70: 30
Appearance: Dark grey powder
Application: For cemented carbide
Main chemical composition(%) 80: 20,
Ta 71.0+-1.5
Nb 20.6+-1.0
Total Carbon 7.2+-0.5
Free Carbon ≤ 0.15
Co ≤ 0.15 Mo ≤ 0.10 Si ≤ 0.02
Fe ≤ 0.10 Ni ≤ 0.04 K ≤ 0.008
Na ≤ 0.008 Mn ≤ 0.05 Sn ≤ 0.01
Ca ≤ 0.01 Al ≤ 0.015 N ≤ 0.2
S ≤ 0.03 O ≤ 0.2 Ti ≤ 0.50
W ≤ 0.50 Cr ≤ 0.10
Range of particles sizes(fsss) 1μm-3μm.
Special requirements can be provided according to use's requirement.