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AWS E120C-K4 vs. AISI 422 Stainless Steel

Both AWS E120C-K4 and AISI 422 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
15 to 17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 950
910 to 1080
Tensile Strength: Yield (Proof), MPa 840
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.1
Embodied Energy, MJ/kg 23
44
Embodied Water, L/kg 54
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1880
1140 to 1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 34
32 to 38
Strength to Weight: Bending, points 27
26 to 30
Thermal Diffusivity, mm2/s 11
6.4
Thermal Shock Resistance, points 28
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.15
0.2 to 0.25
Chromium (Cr), % 0.15 to 0.65
11 to 12.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 92.1 to 98.4
81.9 to 85.8
Manganese (Mn), % 0.75 to 2.3
0.5 to 1.0
Molybdenum (Mo), % 0.25 to 0.65
0.9 to 1.3
Nickel (Ni), % 0.5 to 2.5
0.5 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0 to 0.030
0.2 to 0.3
Residuals, % 0 to 0.5
0