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SAE-AISI H14 Steel vs. EN 1.4594 Stainless Steel

Both SAE-AISI H14 steel and EN 1.4594 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 (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 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 75
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 73
130

Common Calculations

PREN (Pitting Resistance) 13
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
36 to 41
Strength to Weight: Bending, points 22 to 44
29 to 31
Thermal Diffusivity, mm2/s 9.3
4.4
Thermal Shock Resistance, points 24 to 68
34 to 39

Alloy Composition

Carbon (C), % 0.35 to 0.45
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), % 86.5 to 89.9
72.6 to 79.5
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
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
Tungsten (W), % 4.0 to 5.3
0