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ASTM A182 Grade F24 vs. EN 1.6781 Steel

Both ASTM A182 grade F24 and EN 1.6781 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 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 ASTM A182 grade F24 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
17
Fatigue Strength, MPa 330
450
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670
830
Tensile Strength: Yield (Proof), MPa 460
680

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 460
450
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.9
Embodied Energy, MJ/kg 33
25
Embodied Water, L/kg 61
60

Common Calculations

PREN (Pitting Resistance) 6.7
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 570
1220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19
24

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0015 to 0.0070
0
Carbon (C), % 0.050 to 0.1
0.15 to 0.19
Chromium (Cr), % 2.2 to 2.6
1.3 to 1.8
Iron (Fe), % 94.5 to 96.1
92.6 to 94.6
Manganese (Mn), % 0.3 to 0.7
0.55 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.45 to 0.6
Nickel (Ni), % 0
3.0 to 3.5
Nitrogen (N), % 0 to 0.12
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0.15 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.060 to 0.1
0
Vanadium (V), % 0.2 to 0.3
0