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ACI-ASTM CE8MN Steel vs. ASTM Grade HG10 MNN Steel

Both ACI-ASTM CE8MN steel and ASTM grade HG10 MNN steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE8MN steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
23
Fatigue Strength, MPa 370
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
590
Tensile Strength: Yield (Proof), MPa 500
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
500
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
4.0
Embodied Energy, MJ/kg 58
58
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 40
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.2
3.9
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.070 to 0.11
Chromium (Cr), % 22.5 to 25.5
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 56 to 66.4
57.9 to 66.5
Manganese (Mn), % 0 to 1.0
3.0 to 5.0
Molybdenum (Mo), % 3.0 to 4.5
0.25 to 0.45
Nickel (Ni), % 8.0 to 11
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.1 to 0.3
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.030