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SAE-AISI H14 Steel vs. ASTM A182 Grade F122

Both SAE-AISI H14 steel and ASTM A182 grade F122 are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
710

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1490
Melting Onset (Solidus), °C 1490
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
24
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 73
100

Common Calculations

PREN (Pitting Resistance) 13
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
25
Strength to Weight: Bending, points 22 to 44
22
Thermal Diffusivity, mm2/s 9.3
6.4
Thermal Shock Resistance, points 24 to 68
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.35 to 0.45
0.070 to 0.14
Chromium (Cr), % 4.8 to 5.5
10 to 11.5
Copper (Cu), % 0 to 0.25
0.3 to 1.7
Iron (Fe), % 86.5 to 89.9
81.3 to 87.7
Manganese (Mn), % 0.2 to 0.5
0 to 0.7
Molybdenum (Mo), % 0
0.25 to 0.6
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.8 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 4.0 to 5.3
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010