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ACI-ASTM CN7MS Steel vs. SAE-AISI H10 Steel

Both ACI-ASTM CN7MS steel and SAE-AISI H10 steel are iron alloys. They have 57% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 540
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
38
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.4
Embodied Energy, MJ/kg 71
48
Embodied Water, L/kg 180
71

Common Calculations

PREN (Pitting Resistance) 28
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24 to 72
Strength to Weight: Bending, points 19
22 to 46
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 13
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.070
0.35 to 0.45
Chromium (Cr), % 18 to 20
3.0 to 3.8
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 45.4 to 53.5
89.5 to 93.4
Manganese (Mn), % 0 to 1.0
0.25 to 0.7
Molybdenum (Mo), % 2.5 to 3.0
2.0 to 3.0
Nickel (Ni), % 22 to 25
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.25 to 0.75