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ASTM A369 Grade FP12 vs. ASTM A356 Grade 10

Both ASTM A369 grade FP12 and ASTM A356 grade 10 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 ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
23
Fatigue Strength, MPa 170
300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 470
670
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
460
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 52
59

Common Calculations

PREN (Pitting Resistance) 2.8
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
480
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.2
Chromium (Cr), % 0.8 to 1.3
2.0 to 2.8
Iron (Fe), % 96.8 to 98.4
94.4 to 96.6
Manganese (Mn), % 0.3 to 0.61
0.5 to 0.8
Molybdenum (Mo), % 0.44 to 0.65
0.9 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030