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ASTM Grade HG10 MNN Steel vs. ACI-ASTM CD3MCuN Steel

Both ASTM grade HG10 MNN steel and ACI-ASTM CD3MCuN steel are iron alloys. They have 90% 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 ASTM grade HG10 MNN steel and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
29
Fatigue Strength, MPa 170
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 590
790
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

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
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.9
Embodied Energy, MJ/kg 58
54
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 25
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 13
22

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.030
Chromium (Cr), % 18.5 to 20.5
24 to 26.7
Copper (Cu), % 0 to 0.5
1.4 to 1.9
Iron (Fe), % 57.9 to 66.5
58.2 to 65.9
Manganese (Mn), % 3.0 to 5.0
0 to 1.2
Molybdenum (Mo), % 0.25 to 0.45
2.9 to 3.8
Nickel (Ni), % 11.5 to 13.5
5.6 to 6.7
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0.22 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030