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ASTM A369 Grade FP12 vs. SAE-AISI 1070 Steel

Both ASTM A369 grade FP12 and SAE-AISI 1070 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP12 and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
10 to 13
Fatigue Strength, MPa 170
270 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 300
380 to 460
Tensile Strength: Ultimate (UTS), MPa 470
640 to 760
Tensile Strength: Yield (Proof), MPa 250
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 52
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 160
470 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
23 to 27
Strength to Weight: Bending, points 17
21 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 14
21 to 25

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.65 to 0.75
Chromium (Cr), % 0.8 to 1.3
0
Iron (Fe), % 96.8 to 98.4
98.3 to 98.8
Manganese (Mn), % 0.3 to 0.61
0.6 to 0.9
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0 to 0.050