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ASTM A387 Grade 22 Steel vs. AWS BNi-10

ASTM A387 grade 22 steel belongs to the iron alloys classification, while AWS BNi-10 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is AWS BNi-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 480 to 600
600

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1470
1110
Melting Onset (Solidus), °C 1430
970
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
80
Density, g/cm3 7.9
9.4
Embodied Carbon, kg CO2/kg material 1.7
11
Embodied Energy, MJ/kg 23
160
Embodied Water, L/kg 58
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 17 to 21
18
Strength to Weight: Bending, points 17 to 20
17
Thermal Shock Resistance, points 14 to 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.0 to 3.0
Carbon (C), % 0.050 to 0.15
0.4 to 0.55
Chromium (Cr), % 2.0 to 2.5
10 to 13
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 95.1 to 96.8
2.5 to 4.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
57.2 to 67.1
Phosphorus (P), % 0 to 0.025
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
3.0 to 4.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
15 to 17
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5