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ASTM A372 Grade M Steel vs. EN 1.8823 Steel

Both ASTM A372 grade M steel and EN 1.8823 steel are iron alloys. They have a moderately high 95% 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 A372 grade M steel and the bottom bar is EN 1.8823 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
25
Fatigue Strength, MPa 450 to 520
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510 to 570
340
Tensile Strength: Ultimate (UTS), MPa 810 to 910
530
Tensile Strength: Yield (Proof), MPa 660 to 770
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
410
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 46
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 61
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29 to 32
19
Strength to Weight: Bending, points 24 to 27
19
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 24 to 27
16

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0 to 0.23
0 to 0.16
Chromium (Cr), % 1.5 to 2.0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 92.5 to 95.1
95.6 to 99.985
Manganese (Mn), % 0.2 to 0.4
0 to 1.7
Molybdenum (Mo), % 0.4 to 0.6
0 to 0.13
Nickel (Ni), % 2.8 to 3.9
0 to 0.55
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.55
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0 to 0.080
0 to 0.12