HeNb

metal

· JVASP-129352· HeNb

HeNb is a hafnium-niobium intermetallic or alloy system, representing a refractory metal combination studied primarily in materials research rather than established commercial production. This material family is of interest for ultra-high-temperature applications where conventional superalloys reach their limits, leveraging the high melting points and oxidation resistance of both hafnium and niobium. Engineers consider refractory metal alloys like HeNb for demanding aerospace and energy applications where operating temperatures and structural demands exceed the capabilities of nickel- or titanium-based systems.

High-temperature structural applicationsRefractory metal researchAerospace propulsion componentsAdvanced reactor materialsHypersonic vehicle structuresExtreme environment testing

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2054	lb/in³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	2.034	eV/atom	—
Formation Energy(ΔHf)	2.027	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.

HeNb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control