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AISI 314 Stainless Steel vs. EN 1.8550 Steel

Both AISI 314 stainless steel and EN 1.8550 steel are iron alloys. They have 55% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 314 stainless steel and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
11
Fatigue Strength, MPa 210
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
600
Tensile Strength: Ultimate (UTS), MPa 590
1000
Tensile Strength: Yield (Proof), MPa 230
760

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.7
Embodied Energy, MJ/kg 62
23
Embodied Water, L/kg 190
67

Common Calculations

PREN (Pitting Resistance) 25
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
36
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 14
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.25
0.3 to 0.37
Chromium (Cr), % 23 to 26
1.5 to 1.8
Iron (Fe), % 46.7 to 56.5
94.4 to 96.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 19 to 22
0.85 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 1.5 to 3.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035