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SAE-AISI H11 Steel vs. EN 1.4594 Stainless Steel

Both SAE-AISI H11 steel and EN 1.4594 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is EN 1.4594 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 74
76
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.2
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 75
130

Common Calculations

PREN (Pitting Resistance) 9.6
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 66
36 to 41
Strength to Weight: Bending, points 22 to 43
29 to 31
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 22 to 58
34 to 39

Alloy Composition

Carbon (C), % 0.33 to 0.43
0 to 0.070
Chromium (Cr), % 4.8 to 5.5
13 to 15
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 89.6 to 92.5
72.6 to 79.5
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.1 to 1.6
1.2 to 2.0
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.3 to 0.6
0