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ASTM A356 Grade 10 vs. ACI-ASTM CD6MN Steel

Both ASTM A356 grade 10 and ACI-ASTM CD6MN steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 10 and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 300
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670
730
Tensile Strength: Yield (Proof), MPa 430
510

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.4
Embodied Energy, MJ/kg 23
48
Embodied Water, L/kg 59
170

Common Calculations

PREN (Pitting Resistance) 5.9
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 480
650
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.060
Chromium (Cr), % 2.0 to 2.8
24 to 27
Iron (Fe), % 94.4 to 96.6
62.1 to 70.1
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
1.8 to 2.5
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040