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ACI-ASTM CF10SMnN Steel vs. ASTM A356 Grade 2

Both ACI-ASTM CF10SMnN steel and ASTM A356 grade 2 are iron alloys. Both are furnished in the heat treated (HT) condition. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 660
510
Tensile Strength: Yield (Proof), MPa 330
270

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.4
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.25
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 59.1 to 65.4
97.7 to 99.55
Manganese (Mn), % 7.0 to 9.0
0 to 0.7
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030