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SAE-AISI H14 Steel vs. EN 1.7729 Steel

Both SAE-AISI H14 steel and EN 1.7729 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
910

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1530
1470
Melting Onset (Solidus), °C 1490
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 39
49
Embodied Water, L/kg 73
59

Common Calculations

PREN (Pitting Resistance) 13
4.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
32
Strength to Weight: Bending, points 22 to 44
27
Thermal Diffusivity, mm2/s 9.3
11
Thermal Shock Resistance, points 24 to 68
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.35 to 0.45
0.17 to 0.23
Chromium (Cr), % 4.8 to 5.5
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 86.5 to 89.9
94.8 to 97
Manganese (Mn), % 0.2 to 0.5
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.8 to 1.2
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Tungsten (W), % 4.0 to 5.3
0
Vanadium (V), % 0
0.6 to 0.8