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AWS ERNiCrFe-11 vs. SAE-AISI H21 Steel

AWS ERNiCrFe-11 belongs to the nickel alloys classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 21 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 ERNiCrFe-11 and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 740
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1630
Melting Onset (Solidus), °C 1310
1580
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 11
27
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 49
23
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 8.0
4.5
Embodied Energy, MJ/kg 110
68
Embodied Water, L/kg 280
72

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
23 to 58
Strength to Weight: Bending, points 22
21 to 38
Thermal Diffusivity, mm2/s 2.9
7.1
Thermal Shock Resistance, points 20
24 to 59

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Carbon (C), % 0 to 0.1
0.28 to 0.36
Chromium (Cr), % 21 to 25
3.0 to 3.8
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 7.2 to 20
87.6 to 93.8
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Nickel (Ni), % 58 to 63
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6
Residuals, % 0 to 0.5
0