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EN 1.4378 Stainless Steel vs. EN 1.8880 Steel

Both EN 1.4378 stainless steel and EN 1.8880 steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 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 EN 1.4378 stainless steel and the bottom bar is EN 1.8880 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 34
16
Fatigue Strength, MPa 340 to 550
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 680
510
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
830
Tensile Strength: Yield (Proof), MPa 430 to 970
720

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.7
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
26
Embodied Water, L/kg 150
54

Common Calculations

PREN (Pitting Resistance) 23
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
29
Strength to Weight: Bending, points 24 to 31
25
Thermal Shock Resistance, points 16 to 23
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 17 to 19
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.2 to 69
91.9 to 100
Manganese (Mn), % 11.5 to 14.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 2.3 to 3.7
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.2 to 0.4
0 to 0.015
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
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