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SAE-AISI H41 Steel vs. S20910 Stainless Steel

Both SAE-AISI H41 steel and S20910 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H41 steel and the bottom bar is S20910 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 710 to 2210
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1560
1420
Melting Onset (Solidus), °C 1510
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.8
4.8
Embodied Energy, MJ/kg 97
68
Embodied Water, L/kg 97
180

Common Calculations

PREN (Pitting Resistance) 35
34
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
28 to 33
Strength to Weight: Bending, points 22 to 47
24 to 27
Thermal Diffusivity, mm2/s 7.7
3.6
Thermal Shock Resistance, points 20 to 64
17 to 21

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.060
Chromium (Cr), % 3.5 to 4.0
20.5 to 23.5
Iron (Fe), % 81.8 to 85
52.1 to 62.1
Manganese (Mn), % 0.15 to 0.4
4.0 to 6.0
Molybdenum (Mo), % 8.2 to 9.2
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0.1 to 0.3

Comparable Variants