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ASTM A372 Grade M Steel vs. AWS E310

Both ASTM A372 grade M steel and AWS E310 are iron alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 AWS E310.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 810 to 910
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.6
Embodied Energy, MJ/kg 27
65
Embodied Water, L/kg 61
200

Common Calculations

PREN (Pitting Resistance) 3.4
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29 to 32
22
Strength to Weight: Bending, points 24 to 27
20
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 24 to 27
15

Alloy Composition

Carbon (C), % 0 to 0.23
0.080 to 0.2
Chromium (Cr), % 1.5 to 2.0
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 92.5 to 95.1
44.5 to 53.9
Manganese (Mn), % 0.2 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 0.4 to 0.6
0 to 0.75
Nickel (Ni), % 2.8 to 3.9
20 to 22.5
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0 to 0.080
0