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ASTM A283 Carbon Steel vs. AWS BMg-1

ASTM A283 carbon steel belongs to the iron alloys classification, while AWS BMg-1 belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM A283 carbon steel and the bottom bar is AWS BMg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
47
Elongation at Break, % 26 to 34
3.8
Fatigue Strength, MPa 150 to 190
72
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
18
Shear Strength, MPa 240 to 310
100
Tensile Strength: Ultimate (UTS), MPa 360 to 480
180
Tensile Strength: Yield (Proof), MPa 180 to 260
110

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
440
Specific Heat Capacity, J/kg-K 470
980
Thermal Conductivity, W/m-K 51 to 53
76
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
55

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8 to 7.9
1.8
Embodied Carbon, kg CO2/kg material 1.4
22
Embodied Energy, MJ/kg 18
160
Embodied Water, L/kg 46
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 91 to 180
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
66
Strength to Weight: Axial, points 13 to 17
27
Strength to Weight: Bending, points 14 to 17
39
Thermal Diffusivity, mm2/s 14
43
Thermal Shock Resistance, points 11 to 15
10