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ASTM A356 Grade 1 vs. ACI-ASTM CF10SMnN Steel

Both ASTM A356 grade 1 and ACI-ASTM CF10SMnN steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 1 and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
34
Fatigue Strength, MPa 200
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 550
660
Tensile Strength: Yield (Proof), MPa 280
330

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
900
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 45
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 210
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.35
0 to 0.1
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.3 to 100
59.1 to 65.4
Manganese (Mn), % 0 to 0.7
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 0.6
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030