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SAE-AISI H12 Steel vs. S35000 Stainless Steel

Both SAE-AISI H12 steel and S35000 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
1300 to 1570

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.2
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 76
130

Common Calculations

PREN (Pitting Resistance) 12
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 65
46 to 56
Strength to Weight: Bending, points 22 to 42
34 to 38
Thermal Diffusivity, mm2/s 9.8
4.4
Thermal Shock Resistance, points 22 to 60
42 to 51

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.070 to 0.11
Chromium (Cr), % 4.8 to 5.5
16 to 17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.8 to 91.7
72.7 to 76.9
Manganese (Mn), % 0.2 to 0.5
0.5 to 1.3
Molybdenum (Mo), % 1.3 to 1.8
2.5 to 3.2
Nickel (Ni), % 0 to 0.3
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0

Comparable Variants