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EN 1.4449 Stainless Steel vs. EN 1.8519 Steel

Both EN 1.4449 stainless steel and EN 1.8519 steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4449 stainless steel and the bottom bar is EN 1.8519 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
360
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
10
Fatigue Strength, MPa 240
630
Impact Strength: V-Notched Charpy, J 91
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 440
710
Tensile Strength: Ultimate (UTS), MPa 620
1200
Tensile Strength: Yield (Proof), MPa 250
1030

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
450
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 54
26
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 27
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
2790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
43
Strength to Weight: Bending, points 20
32
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
35

Alloy Composition

Carbon (C), % 0 to 0.035
0.27 to 0.34
Chromium (Cr), % 17 to 18.2
2.3 to 2.7
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 62.4 to 69.3
95.7 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.3 to 2.8
0.15 to 0.25
Nickel (Ni), % 11.5 to 12.5
0
Nitrogen (N), % 0 to 0.080
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2