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EN 1.8151 Steel vs. ASTM A182 Grade F5a

Both EN 1.8151 steel and ASTM A182 grade F5a are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
710

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 410
510
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 50
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
4.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.8
Embodied Energy, MJ/kg 25
24
Embodied Water, L/kg 49
69

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
25
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 20 to 58
20

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.25
Chromium (Cr), % 0.4 to 0.8
4.0 to 6.0
Iron (Fe), % 95.9 to 97.2
91.4 to 95.6
Manganese (Mn), % 0.6 to 0.9
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.3 to 1.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.1 to 0.2
0