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SAE-AISI H42 Steel vs. S66286 Stainless Steel

Both SAE-AISI H42 steel and S66286 stainless steel are iron alloys. They have 60% 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 H42 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
620 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1620
1430
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
6.0
Embodied Energy, MJ/kg 130
87
Embodied Water, L/kg 98
170

Common Calculations

PREN (Pitting Resistance) 31
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
22 to 36
Strength to Weight: Bending, points 21 to 42
20 to 28
Thermal Diffusivity, mm2/s 6.5
4.0
Thermal Shock Resistance, points 20 to 57
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.55 to 0.7
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
13.5 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
49.1 to 59.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0.1 to 0.5

Comparable Variants