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SAE-AISI H10 Steel vs. ACI-ASTM CN7M Steel

Both SAE-AISI H10 steel and ACI-ASTM CN7M steel are iron alloys. They have 50% 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 H10 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 680 to 2030
480

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
21
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.4
5.6
Embodied Energy, MJ/kg 48
78
Embodied Water, L/kg 71
210

Common Calculations

PREN (Pitting Resistance) 12
29
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
17
Strength to Weight: Bending, points 22 to 46
17
Thermal Diffusivity, mm2/s 10
5.6
Thermal Shock Resistance, points 22 to 66
12

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.070
Chromium (Cr), % 3.0 to 3.8
19 to 22
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 89.5 to 93.4
37.4 to 48.5
Manganese (Mn), % 0.25 to 0.7
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
27.5 to 30.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.25 to 0.75
0