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ASTM A202 Steel vs. AWS BNi-7

ASTM A202 steel belongs to the iron alloys classification, while AWS BNi-7 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 A202 steel and the bottom bar is AWS BNi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
170
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
67
Tensile Strength: Ultimate (UTS), MPa 590 to 670
550

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1450
890
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
55
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
8.8
Embodied Energy, MJ/kg 19
120
Embodied Water, L/kg 49
240

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 24
19
Strength to Weight: Bending, points 20 to 22
19
Thermal Shock Resistance, points 17 to 20
21