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ASTM A372 Grade M Steel vs. EN 1.0145 Steel

Both ASTM A372 grade M steel and EN 1.0145 steel are iron alloys. They have a moderately high 94% 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 1.0145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
21
Fatigue Strength, MPa 450 to 520
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510 to 570
300
Tensile Strength: Ultimate (UTS), MPa 810 to 910
470
Tensile Strength: Yield (Proof), MPa 660 to 770
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
400
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
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
1.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 61
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29 to 32
17
Strength to Weight: Bending, points 24 to 27
17
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 24 to 27
15

Alloy Composition

Carbon (C), % 0 to 0.23
0 to 0.21
Chromium (Cr), % 1.5 to 2.0
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 92.5 to 95.1
97.5 to 100
Manganese (Mn), % 0.2 to 0.4
0 to 1.6
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 2.8 to 3.9
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.010
0 to 0.035
Vanadium (V), % 0 to 0.080
0