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ASTM A414 Steel vs. AWS BNi-4

ASTM A414 steel belongs to the iron alloys classification, while AWS BNi-4 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 A414 steel and the bottom bar is AWS BNi-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
67
Tensile Strength: Ultimate (UTS), MPa 360 to 590
430

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Melting Completion (Liquidus), °C 1460
1070
Melting Onset (Solidus), °C 1420
980
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
60
Density, g/cm3 7.8 to 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
10
Embodied Energy, MJ/kg 20 to 22
140
Embodied Water, L/kg 48
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 13 to 21
14
Strength to Weight: Bending, points 14 to 20
15
Thermal Shock Resistance, points 11 to 17
16