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ASTM A387 Grade 12 Steel vs. ASTM A182 Grade F3V

Both ASTM A387 grade 12 steel and ASTM A182 grade F3V are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 A387 grade 12 steel and the bottom bar is ASTM A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
20
Fatigue Strength, MPa 190 to 230
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300 to 330
410
Tensile Strength: Ultimate (UTS), MPa 470 to 520
660
Tensile Strength: Yield (Proof), MPa 260 to 310
470

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
470
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.3
Embodied Energy, MJ/kg 21
33
Embodied Water, L/kg 51
63

Common Calculations

PREN (Pitting Resistance) 2.7
6.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
23
Strength to Weight: Bending, points 17 to 18
21
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 14 to 15
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0.050 to 0.17
0.050 to 0.18
Chromium (Cr), % 0.8 to 1.2
2.8 to 3.2
Iron (Fe), % 97 to 98.2
94.4 to 95.7
Manganese (Mn), % 0.4 to 0.65
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.6
0.9 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0.015 to 0.035
Vanadium (V), % 0
0.2 to 0.3