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SAE-AISI H14 Steel vs. S21460 Stainless Steel

Both SAE-AISI H14 steel and S21460 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
830

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1530
1380
Melting Onset (Solidus), °C 1490
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 73
160

Common Calculations

PREN (Pitting Resistance) 13
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
30
Strength to Weight: Bending, points 22 to 44
26
Thermal Shock Resistance, points 24 to 68
17

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.12
Chromium (Cr), % 4.8 to 5.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
57.3 to 63.7
Manganese (Mn), % 0.2 to 0.5
14 to 16
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 5.3
0