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ASTM A387 Grade 12 Steel vs. ASTM A182 Grade F10

Both ASTM A387 grade 12 steel and ASTM A182 grade F10 are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 F10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
34
Fatigue Strength, MPa 190 to 230
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300 to 330
420
Tensile Strength: Ultimate (UTS), MPa 470 to 520
630
Tensile Strength: Yield (Proof), MPa 260 to 310
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
600
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
3.6
Embodied Energy, MJ/kg 21
51
Embodied Water, L/kg 51
120

Common Calculations

PREN (Pitting Resistance) 2.7
8.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
22
Strength to Weight: Bending, points 17 to 18
21
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.1 to 0.2
Chromium (Cr), % 0.8 to 1.2
7.0 to 9.0
Iron (Fe), % 97 to 98.2
66.5 to 72.4
Manganese (Mn), % 0.4 to 0.65
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
1.0 to 1.4
Sulfur (S), % 0 to 0.025
0 to 0.030