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AWS E120C-K4 vs. AISI 304N Stainless Steel

Both AWS E120C-K4 and AISI 304N stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
9.1 to 45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 950
620 to 1180
Tensile Strength: Yield (Proof), MPa 840
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.0
Embodied Energy, MJ/kg 23
43
Embodied Water, L/kg 54
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 1880
180 to 1830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 34
22 to 42
Strength to Weight: Bending, points 27
21 to 32
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 28
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 0.15 to 0.65
18 to 20
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 92.1 to 98.4
66.4 to 73.9
Manganese (Mn), % 0.75 to 2.3
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.65
0
Nickel (Ni), % 0.5 to 2.5
8.0 to 10.5
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0