Component

Material

Density

[kg/m³]

Thermal

conductivity

[W/(m・K)]

Cp [J/(kg・K)]

Gas

Hydrogen

Incompressible-ideal-gas

0.196

14,385

Chamber

Stainless Steel

7750

17

502

Filaments

Tantalum

16,650

57.56

135.3

Tools

WC-Co

14,600

35

130

Worktable

Copper

8979

388

381