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SAE-AISI H14 Steel vs. ASTM A369 Grade FP12

Both SAE-AISI H14 steel and ASTM A369 grade FP12 are iron alloys. They have 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 (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 ASTM A369 grade FP12.

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
470

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
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 73
52

Common Calculations

PREN (Pitting Resistance) 13
2.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
17
Strength to Weight: Bending, points 22 to 44
17
Thermal Diffusivity, mm2/s 9.3
12
Thermal Shock Resistance, points 24 to 68
14

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.050 to 0.15
Chromium (Cr), % 4.8 to 5.5
0.8 to 1.3
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
96.8 to 98.4
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.8 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 4.0 to 5.3
0