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SAE-AISI H42 Steel vs. Chromium 33

SAE-AISI H42 steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is chromium 33.

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
81
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
850

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
6.0
Embodied Energy, MJ/kg 130
84
Embodied Water, L/kg 98
250

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 65
30
Strength to Weight: Bending, points 21 to 42
25
Thermal Shock Resistance, points 20 to 57
21

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.015
Chromium (Cr), % 3.8 to 4.5
31 to 35
Copper (Cu), % 0 to 0.25
0.3 to 1.2
Iron (Fe), % 79.3 to 83.8
25.7 to 37.9
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
0.5 to 2.0
Nickel (Ni), % 0 to 0.3
30 to 33
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0