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ASTM A588 Steel vs. AWS BNi-9

ASTM A588 steel belongs to the iron alloys classification, while AWS BNi-9 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM A588 steel and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 550
580

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
300
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1410 to 1420
1060
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 2.5
60
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
9.3
Embodied Energy, MJ/kg 20 to 22
130
Embodied Water, L/kg 50 to 51
260

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 16
19