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AWS BNi-11 vs. SAE-AISI H21 Steel

AWS BNi-11 belongs to the nickel alloys classification, while SAE-AISI H21 steel belongs to the iron 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 AWS BNi-11 and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 600
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 1100
1630
Melting Onset (Solidus), °C 970
1580
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
23
Density, g/cm3 9.1
8.5
Embodied Carbon, kg CO2/kg material 11
4.5
Embodied Energy, MJ/kg 160
68
Embodied Water, L/kg 230
72

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 18
23 to 58
Strength to Weight: Bending, points 17
21 to 38
Thermal Shock Resistance, points 20
24 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.2 to 3.1
0
Carbon (C), % 0.3 to 0.5
0.28 to 0.36
Chromium (Cr), % 9.0 to 11.8
3.0 to 3.8
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.5 to 4.0
87.6 to 93.8
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 62.9 to 71.2
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.4 to 4.3
0.15 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 11.5 to 12.8
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0