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SAE-AISI H42 Steel vs. S41050 Stainless Steel

Both SAE-AISI H42 steel and S41050 stainless steel are iron alloys. They have 86% 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 H42 steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
470

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 24
27
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.9
Embodied Energy, MJ/kg 130
27
Embodied Water, L/kg 98
97

Common Calculations

PREN (Pitting Resistance) 31
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 65
17
Strength to Weight: Bending, points 21 to 42
17
Thermal Diffusivity, mm2/s 6.5
7.2
Thermal Shock Resistance, points 20 to 57
17

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.040
Chromium (Cr), % 3.8 to 4.5
10.5 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
84.2 to 88.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
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