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SAE-AISI H22 Steel vs. EN 1.4749 Stainless Steel

Both SAE-AISI H22 steel and EN 1.4749 stainless steel are iron alloys. They have 75% 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
600

Thermal Properties

Latent Heat of Fusion, J/g 250
300
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
17
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 4.9
2.5
Embodied Energy, MJ/kg 73
36
Embodied Water, L/kg 72
160

Common Calculations

PREN (Pitting Resistance) 21
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 22 to 61
22
Strength to Weight: Bending, points 20 to 39
21
Thermal Diffusivity, mm2/s 8.2
4.6
Thermal Shock Resistance, points 22 to 60
22

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.15 to 0.2
Chromium (Cr), % 1.8 to 3.8
26 to 29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
68.5 to 73.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
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