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SAE-AISI H22 Steel vs. EN 1.4742 Stainless Steel

Both SAE-AISI H22 steel and EN 1.4742 stainless steel are iron alloys. They have 83% 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 1.4742 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
600

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 31
19
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 4.9
2.2
Embodied Energy, MJ/kg 73
32
Embodied Water, L/kg 72
130

Common Calculations

PREN (Pitting Resistance) 21
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
22
Strength to Weight: Bending, points 20 to 39
21
Thermal Diffusivity, mm2/s 8.2
5.1
Thermal Shock Resistance, points 22 to 60
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.3 to 0.4
0 to 0.12
Chromium (Cr), % 1.8 to 3.8
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
77.2 to 81.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0.7 to 1.4
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