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AWS BNi-6 vs. ASTM A588 Steel

AWS BNi-6 belongs to the nickel alloys classification, while ASTM A588 steel belongs to the iron 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 AWS BNi-6 and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 62
73
Tensile Strength: Ultimate (UTS), MPa 450
550

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 260
Melting Completion (Liquidus), °C 880
1460
Melting Onset (Solidus), °C 880
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 9.8
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.3 to 2.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.4
1.5 to 1.6
Embodied Energy, MJ/kg 130
20 to 22
Embodied Water, L/kg 210
50 to 51

Common Calculations

Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 20
16