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SAE-AISI H14 Steel vs. SAE-AISI H43 Steel

Both SAE-AISI H14 steel and SAE-AISI H43 steel are iron alloys. They have 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is SAE-AISI H43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
710 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1530
Melting Onset (Solidus), °C 1490
1480
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 35
30
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 39
120
Embodied Water, L/kg 73
100

Common Calculations

PREN (Pitting Resistance) 13
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
25 to 75
Strength to Weight: Bending, points 22 to 44
22 to 46
Thermal Diffusivity, mm2/s 9.3
8.3
Thermal Shock Resistance, points 24 to 68
21 to 62

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.5 to 0.65
Chromium (Cr), % 4.8 to 5.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
83.2 to 85.9
Manganese (Mn), % 0.2 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 8.5
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 5.3
0
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants