NbCrW

metal
· NbCrW

NbCrW is a refractory metal alloy combining niobium, chromium, and tungsten, designed for extreme-temperature and high-stress applications where conventional superalloys reach their limits. This material family is primarily used in aerospace propulsion systems, ultra-high-temperature structural components, and specialized welding applications where resistance to oxidation, thermal fatigue, and mechanical degradation at elevated temperatures is critical. Engineers select NbCrW-type alloys when weight savings, thermal efficiency, and extended service life at temperatures beyond nickel-based superalloys justify the material's cost and processing complexity.

hypersonic aircraft structuresrocket engine componentsrefractory liningshigh-temperature fastenerswelding electrodes for extreme environmentsthermal barrier applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
165.5
GPa
Shear Modulus(G)
-3.020
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
9.903
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.000
eV
0.000
eV
Magnetic Moment(μB)
0.000
µB
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.9811
eV/atom
Formation Energy(ΔHf)
0.7789
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.