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SAE-AISI H42 Steel vs. S33425 Stainless Steel

Both SAE-AISI H42 steel and S33425 stainless steel are iron alloys. They have 59% 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 H42 steel and the bottom bar is S33425 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
79
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1620
1430
Melting Onset (Solidus), °C 1570
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
5.1
Embodied Energy, MJ/kg 130
71
Embodied Water, L/kg 98
190

Common Calculations

PREN (Pitting Resistance) 31
30
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 65
20
Strength to Weight: Bending, points 21 to 42
19
Thermal Diffusivity, mm2/s 6.5
3.7
Thermal Shock Resistance, points 20 to 57
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.55 to 0.7
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
21 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
47.2 to 56.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.5 to 5.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
20 to 23
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0