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EN 1.8503 Steel vs. ASTM A182 Grade F12 Class 2

Both EN 1.8503 steel and ASTM A182 grade F12 class 2 are iron alloys. Their average alloy composition is basically identical. There are 32 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 EN 1.8503 steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
22
Fatigue Strength, MPa 600
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 610
340
Tensile Strength: Ultimate (UTS), MPa 1000
540
Tensile Strength: Yield (Proof), MPa 910
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
430
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.6
Embodied Energy, MJ/kg 33
21
Embodied Water, L/kg 57
52

Common Calculations

PREN (Pitting Resistance) 3.7
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 35
19
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 29
16

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0.1 to 0.2
Chromium (Cr), % 1.2 to 1.5
0.8 to 1.3
Iron (Fe), % 95.8 to 97.5
96.4 to 98.3
Manganese (Mn), % 0.4 to 0.8
0.3 to 0.8
Molybdenum (Mo), % 0.65 to 0.8
0.44 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0.1 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.040
Vanadium (V), % 0.25 to 0.35
0