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ASTM A387 Grade 12 Steel vs. EN 1.8062 Steel

Both ASTM A387 grade 12 steel and EN 1.8062 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.8062 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
200 to 510
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 470 to 520
660 to 1910

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
420
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.4
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 51
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
24 to 69
Strength to Weight: Bending, points 17 to 18
22 to 44
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 14 to 15
20 to 57

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.42 to 0.5
Chromium (Cr), % 0.8 to 1.2
0.5 to 0.8
Iron (Fe), % 97 to 98.2
95.9 to 97.1
Manganese (Mn), % 0.4 to 0.65
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.6
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.4
1.3 to 1.7
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants