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ASTM A225 Steel vs. AWS E430Nb

Both ASTM A225 steel and AWS E430Nb are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A225 steel and the bottom bar is AWS E430Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 23
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 620 to 830
500

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
24
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.1
Embodied Energy, MJ/kg 24 to 25
45
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 29
18
Strength to Weight: Bending, points 21 to 25
18
Thermal Diffusivity, mm2/s 14
6.6
Thermal Shock Resistance, points 18 to 24
13