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AISI 304 Stainless Steel vs. Hardwood

AISI 304 stainless steel and hardwood belong to fundamentally different material chemistries. AISI 304 stainless steel is a metal, while hardwood is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is hardwood.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
12
Elongation at Break, % 8.0 to 43
2.0
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
0.9
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
80

Thermal Properties

Specific Heat Capacity, J/kg-K 480
1260
Thermal Conductivity, W/m-K 16
0.16
Thermal Expansion, µm/m-K 17
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
0.7

Common Calculations

Stiffness to Weight: Axial, points 14
9.5
Stiffness to Weight: Bending, points 25
110
Strength to Weight: Axial, points 21 to 42
32
Strength to Weight: Bending, points 20 to 32
59
Thermal Diffusivity, mm2/s 4.2
0.18
Thermal Shock Resistance, points 12 to 25
79