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SAE-AISI H22 Steel vs. EN 1.4945 Stainless Steel

Both SAE-AISI H22 steel and EN 1.4945 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1670
1490
Melting Onset (Solidus), °C 1620
1440
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 31
14
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 4.9
5.0
Embodied Energy, MJ/kg 73
73
Embodied Water, L/kg 72
150

Common Calculations

PREN (Pitting Resistance) 21
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 61
22 to 25
Strength to Weight: Bending, points 20 to 39
20 to 22
Thermal Diffusivity, mm2/s 8.2
3.7
Thermal Shock Resistance, points 22 to 60
14 to 16

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.040 to 0.1
Chromium (Cr), % 1.8 to 3.8
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
57.9 to 65.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 10 to 11.8
2.5 to 3.5
Vanadium (V), % 0.25 to 0.5
0