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SAE-AISI H42 Steel vs. AWS BNi-2

SAE-AISI H42 steel belongs to the iron alloys classification, while AWS BNi-2 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is AWS BNi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 77
68
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
440

Thermal Properties

Latent Heat of Fusion, J/g 260
360
Melting Completion (Liquidus), °C 1620
1000
Melting Onset (Solidus), °C 1570
970
Specific Heat Capacity, J/kg-K 440
490
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
55
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.8
9.3
Embodied Energy, MJ/kg 130
130
Embodied Water, L/kg 98
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23 to 65
15
Strength to Weight: Bending, points 21 to 42
16
Thermal Shock Resistance, points 20 to 57
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0.55 to 0.7
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
2.5 to 3.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
79.1 to 84.8
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
4.0 to 5.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5