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ASTM A369 Grade FP12 vs. ACI-ASTM CF10SMnN Steel

Both ASTM A369 grade FP12 and ACI-ASTM CF10SMnN steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP12 and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
34
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 470
660
Tensile Strength: Yield (Proof), MPa 250
330

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 430
900
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 21
45
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.8
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 0.8 to 1.3
16 to 18
Iron (Fe), % 96.8 to 98.4
59.1 to 65.4
Manganese (Mn), % 0.3 to 0.61
7.0 to 9.0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.030