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SAE-AISI H42 Steel vs. S28200 Stainless Steel

Both SAE-AISI H42 steel and S28200 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is S28200 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 1980
870

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1620
1380
Melting Onset (Solidus), °C 1570
1330
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 98
160

Common Calculations

PREN (Pitting Resistance) 31
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 23 to 65
32
Strength to Weight: Bending, points 21 to 42
27
Thermal Shock Resistance, points 20 to 57
17

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0.75 to 1.3
Iron (Fe), % 79.3 to 83.8
57.7 to 64.1
Manganese (Mn), % 0.15 to 0.4
17 to 19
Molybdenum (Mo), % 4.5 to 5.5
0.75 to 1.3
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0.4 to 0.6
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 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0