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SAE-AISI H41 Steel vs. S32803 Stainless Steel

Both SAE-AISI H41 steel and S32803 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 22 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 H41 steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
680

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1560
1450
Melting Onset (Solidus), °C 1510
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.8
3.7
Embodied Energy, MJ/kg 97
53
Embodied Water, L/kg 97
180

Common Calculations

PREN (Pitting Resistance) 35
36
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
25
Strength to Weight: Bending, points 22 to 47
22
Thermal Diffusivity, mm2/s 7.7
4.4
Thermal Shock Resistance, points 20 to 64
22

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.015
Chromium (Cr), % 3.5 to 4.0
28 to 29
Iron (Fe), % 81.8 to 85
62.9 to 67.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 8.2 to 9.2
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0