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S21904 Stainless Steel vs. AWS E110C-K4

Both S21904 stainless steel and AWS E110C-K4 are iron alloys. They have 67% 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 S21904 stainless steel and the bottom bar is AWS E110C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 51
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
850
Tensile Strength: Yield (Proof), MPa 390 to 910
780

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 160
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
140
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
1600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 36
30
Strength to Weight: Bending, points 23 to 29
25
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 15 to 21
25

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 19 to 21.5
0.15 to 0.65
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 59.5 to 67.4
92.1 to 98.4
Manganese (Mn), % 8.0 to 10
0.75 to 2.3
Molybdenum (Mo), % 0
0.25 to 0.65
Nickel (Ni), % 5.5 to 7.5
0.5 to 2.5
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5