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ASTM A372 Grade M Steel vs. EN 1.7366 Steel

Both ASTM A372 grade M steel and EN 1.7366 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
17 to 19
Fatigue Strength, MPa 450 to 520
160 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 510 to 570
290 to 440
Tensile Strength: Ultimate (UTS), MPa 810 to 910
460 to 710
Tensile Strength: Yield (Proof), MPa 660 to 770
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 450
510
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
4.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 61
69

Common Calculations

PREN (Pitting Resistance) 3.4
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
140 to 600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29 to 32
16 to 25
Strength to Weight: Bending, points 24 to 27
17 to 23
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 24 to 27
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.23
0 to 0.18
Chromium (Cr), % 1.5 to 2.0
4.0 to 6.0
Iron (Fe), % 92.5 to 95.1
91.9 to 95.3
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.8
Molybdenum (Mo), % 0.4 to 0.6
0.45 to 0.65
Nickel (Ni), % 2.8 to 3.9
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0 to 0.080
0

Comparable Variants