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SAE-AISI H22 Steel vs. EN 1.4640 Stainless Steel

Both SAE-AISI H22 steel and EN 1.4640 stainless steel are iron alloys. They have 74% 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 1.4640 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
620 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 31
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
14
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 4.9
2.8
Embodied Energy, MJ/kg 73
40
Embodied Water, L/kg 72
150

Common Calculations

PREN (Pitting Resistance) 21
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
22 to 23
Strength to Weight: Bending, points 20 to 39
21
Thermal Diffusivity, mm2/s 8.2
4.0
Thermal Shock Resistance, points 22 to 60
14 to 15

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.030 to 0.080
Chromium (Cr), % 1.8 to 3.8
18 to 19
Copper (Cu), % 0 to 0.25
1.3 to 2.0
Iron (Fe), % 82.2 to 87.4
67.4 to 73.6
Manganese (Mn), % 0.15 to 0.4
1.5 to 4.0
Nickel (Ni), % 0 to 0.3
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0