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EN 1.5538 Steel vs. ASTM A182 Grade F12 Class 2

Both EN 1.5538 steel and ASTM A182 grade F12 class 2 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 26 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 EN 1.5538 steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 64 to 69
34
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 48
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 64
19
Strength to Weight: Bending, points 19 to 42
19
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 16 to 53
16

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0.1 to 0.2
Chromium (Cr), % 0 to 0.3
0.8 to 1.3
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.2 to 98.5
96.4 to 98.3
Manganese (Mn), % 1.2 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0.1 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.040