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EN 1.4521 Stainless Steel vs. AWS E90C-K3

Both EN 1.4521 stainless steel and AWS E90C-K3 are iron alloys. They have 79% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4521 stainless steel and the bottom bar is AWS E90C-K3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
55
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 520
710
Tensile Strength: Yield (Proof), MPa 340
600

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 39
23
Embodied Water, L/kg 130
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
370
Resilience: Unit (Modulus of Resilience), kJ/m3 280
980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 6.2
13
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.15
Chromium (Cr), % 17 to 20
0 to 0.15
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 74.6 to 81.1
92.6 to 98.5
Manganese (Mn), % 0 to 1.0
0.75 to 2.3
Molybdenum (Mo), % 1.8 to 2.5
0.25 to 0.65
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5