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ASTM A225 Steel vs. AWS E90C-B9

Both ASTM A225 steel and AWS E90C-B9 are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A225 steel and the bottom bar is AWS E90C-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 23
18
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 620 to 830
710
Tensile Strength: Yield (Proof), MPa 460 to 550
460

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 24 to 25
37
Embodied Water, L/kg 48
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 29
25
Strength to Weight: Bending, points 21 to 25
23
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 18 to 24
20