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CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

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Selenium
34
Se
78.96
Atomic Number 34
Atomic Weight 78.96
Electron Config. 2-2-6-2-6-10-2-4
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 4800 kg/m3 Solid  0 
Modulus of Elasticity 55.158 GPa Solid  0   
Poisson Ratio 0.33 Solid     
Thermal Expansion Coefficient 3.700 /K Solid  293.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.200 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 494.15 K   101325 
Boiling Temperature 958.15 K   101325 
Critical Temperature 1766.15 K    
Fusion Enthalpy 66.2 J/g 101325 
Vaporization Enthalpy 1209.22 J/g 101325 
Heat Capacity 321 J/kg-K 298.149993896 100000 
 
Glossary
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.