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SAE-AISI H12 Steel vs. EN 1.4762 Stainless Steel

Both SAE-AISI H12 steel and EN 1.4762 stainless steel are iron alloys. They have 79% 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 EN 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 36
17
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.5
Embodied Energy, MJ/kg 41
37
Embodied Water, L/kg 76
170

Common Calculations

PREN (Pitting Resistance) 12
25
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24 to 65
23
Strength to Weight: Bending, points 22 to 42
21
Thermal Diffusivity, mm2/s 9.8
4.6
Thermal Shock Resistance, points 22 to 60
22

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.7
Carbon (C), % 0.3 to 0.4
0 to 0.12
Chromium (Cr), % 4.8 to 5.5
23 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.8 to 91.7
69.7 to 75.1
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0