KBeW — Properties & Data | MatWorld

KBeW

metal

· JVASP-68318· KBeW

KBeW is a refractory metal alloy combining tungsten with beryllium and potassium constituents, designed for high-temperature and demanding structural applications. This material family is primarily investigated for aerospace, nuclear, and extreme-environment engineering where conventional superalloys reach thermal limits, though it remains a specialized research composition with limited widespread commercial adoption. Engineers consider such beryllium-tungsten systems when ultra-high melting points, specific stiffness, or neutron transparency are critical performance drivers that justify the material's cost, processing complexity, and toxicological handling requirements.

High-temperature aerospace structuresNuclear reactor componentsRefractory applicationsResearch/development engineeringExtreme thermal environmentsLightweight high-strength systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.027	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.132	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.8947	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

KBeW

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control