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EN 1.4729 Stainless Steel vs. SAE-AISI H14 Steel

Both EN 1.4729 stainless steel and SAE-AISI H14 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 20 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 EN 1.4729 stainless steel and the bottom bar is SAE-AISI H14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1530
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 24
35
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
15
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 100
73

Common Calculations

PREN (Pitting Resistance) 14
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
9.3

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.35 to 0.45
Chromium (Cr), % 12 to 14
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.4 to 86.7
86.5 to 89.9
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
4.0 to 5.3