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ASTM A369 Grade FP12 vs. ASTM A302 Alloy Steel

Both ASTM A369 grade FP12 and ASTM A302 alloy steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
20 to 23
Fatigue Strength, MPa 170
250 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
370 to 390
Tensile Strength: Ultimate (UTS), MPa 470
590 to 620
Tensile Strength: Yield (Proof), MPa 250
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
410
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
39 to 51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.4 to 3.0
Density, g/cm3 7.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.6
1.5 to 1.6
Embodied Energy, MJ/kg 21
20 to 21
Embodied Water, L/kg 52
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
330 to 410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
21 to 22
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 12
10 to 14
Thermal Shock Resistance, points 14
17 to 18