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SAE-AISI H41 Steel vs. S42030 Stainless Steel

Both SAE-AISI H41 steel and S42030 stainless steel are iron alloys. They have 88% 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 S42030 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
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
670

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1560
1450
Melting Onset (Solidus), °C 1510
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
10
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.8
2.5
Embodied Energy, MJ/kg 97
34
Embodied Water, L/kg 97
110

Common Calculations

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

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.3
Chromium (Cr), % 3.5 to 4.0
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 81.8 to 85
77.6 to 85
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
1.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
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