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ASTM A387 Grade 12 Steel vs. EN 1.8523 Steel

Both ASTM A387 grade 12 steel and EN 1.8523 steel 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 EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
15
Fatigue Strength, MPa 190 to 230
530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300 to 330
610
Tensile Strength: Ultimate (UTS), MPa 470 to 520
1000
Tensile Strength: Yield (Proof), MPa 260 to 310
800

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
480
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 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 51
64

Common Calculations

PREN (Pitting Resistance) 2.7
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
36
Strength to Weight: Bending, points 17 to 18
28
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 14 to 15
29

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.35 to 0.45
Chromium (Cr), % 0.8 to 1.2
3.0 to 3.5
Iron (Fe), % 97 to 98.2
93.5 to 95.7
Manganese (Mn), % 0.4 to 0.65
0.4 to 0.7
Molybdenum (Mo), % 0.45 to 0.6
0.8 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25