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SAE-AISI H14 Steel vs. EN 1.4122 Stainless Steel

Both SAE-AISI H14 steel and EN 1.4122 stainless steel are iron alloys. They have 87% 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 1.4122 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
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
790 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
15
Thermal Expansion, µm/m-K 11
10

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
9.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 73
120

Common Calculations

PREN (Pitting Resistance) 13
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
28 to 31
Strength to Weight: Bending, points 22 to 44
25 to 26
Thermal Diffusivity, mm2/s 9.3
4.0
Thermal Shock Resistance, points 24 to 68
28 to 30

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.33 to 0.45
Chromium (Cr), % 4.8 to 5.5
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
77.2 to 83.4
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 4.0 to 5.3
0

Comparable Variants