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SAE-AISI H41 Steel vs. S44800 Stainless Steel

Both SAE-AISI H41 steel and S44800 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H41 steel and the bottom bar is S44800 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
82
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 28
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.8
3.8
Embodied Energy, MJ/kg 97
52
Embodied Water, L/kg 97
190

Common Calculations

PREN (Pitting Resistance) 35
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
21
Strength to Weight: Bending, points 22 to 47
20
Thermal Diffusivity, mm2/s 7.7
4.6
Thermal Shock Resistance, points 20 to 64
19

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.010
Chromium (Cr), % 3.5 to 4.0
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 81.8 to 85
62.6 to 66.5
Manganese (Mn), % 0.15 to 0.4
0 to 0.3
Molybdenum (Mo), % 8.2 to 9.2
3.5 to 4.2
Nickel (Ni), % 0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0