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SAE-AISI H14 Steel vs. SAE-AISI S6 Steel

Both SAE-AISI H14 steel and SAE-AISI S6 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is SAE-AISI S6 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
72
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
670 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1530
1430
Melting Onset (Solidus), °C 1490
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
41
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.2
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 73
56

Common Calculations

PREN (Pitting Resistance) 13
2.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
24 to 70
Strength to Weight: Bending, points 22 to 44
22 to 45
Thermal Diffusivity, mm2/s 9.3
11
Thermal Shock Resistance, points 24 to 68
22 to 64

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.4 to 0.5
Chromium (Cr), % 4.8 to 5.5
1.2 to 1.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 86.5 to 89.9
92.8 to 94.7
Manganese (Mn), % 0.2 to 0.5
1.2 to 1.5
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
2.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 5.3
0
Vanadium (V), % 0
0.2 to 0.4

Comparable Variants