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SAE-AISI H12 Steel vs. S32615 Stainless Steel

Both SAE-AISI H12 steel and S32615 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
620

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1440
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
24
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.9
4.4
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 76
170

Common Calculations

PREN (Pitting Resistance) 12
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 65
23
Strength to Weight: Bending, points 22 to 42
21
Thermal Shock Resistance, points 22 to 60
15

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.070
Chromium (Cr), % 4.8 to 5.5
16.5 to 19.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 87.8 to 91.7
46.4 to 57.9
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
0.3 to 1.5
Nickel (Ni), % 0 to 0.3
19 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.8 to 1.2
4.8 to 6.0
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