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EN 1.4419 Stainless Steel vs. EN 1.8879 Steel

Both EN 1.4419 stainless steel and EN 1.8879 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 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 EN 1.4419 stainless steel and the bottom bar is EN 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
16
Fatigue Strength, MPa 230 to 680
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 410 to 950
510
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
830
Tensile Strength: Yield (Proof), MPa 370 to 1240
710

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 790
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.9
Embodied Energy, MJ/kg 30
26
Embodied Water, L/kg 110
54

Common Calculations

PREN (Pitting Resistance) 16
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
1320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 57
29
Strength to Weight: Bending, points 22 to 39
25
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 23 to 55
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.36 to 0.42
0 to 0.2
Chromium (Cr), % 13 to 14.5
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82 to 86
91.9 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 0.6 to 1.0
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
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 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15