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EN 1.4901 Stainless Steel vs. SAE-AISI H14 Steel

Both EN 1.4901 stainless steel and SAE-AISI H14 steel are iron alloys. They have a very high 95% 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 EN 1.4901 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 76
75
Tensile Strength: Ultimate (UTS), MPa 740
710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1490
1530
Melting Onset (Solidus), °C 1450
1490
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 26
35
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
39
Embodied Water, L/kg 89
73

Common Calculations

PREN (Pitting Resistance) 14
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
24 to 69
Strength to Weight: Bending, points 23
22 to 44
Thermal Diffusivity, mm2/s 6.9
9.3
Thermal Shock Resistance, points 23
24 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.35 to 0.45
Chromium (Cr), % 8.5 to 9.5
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85.8 to 89.1
86.5 to 89.9
Manganese (Mn), % 0.3 to 0.6
0.2 to 0.5
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.8 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
4.0 to 5.3
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0