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EN 1.4515 Stainless Steel vs. EN 1.8880 Steel

Both EN 1.4515 stainless steel and EN 1.8880 steel are iron alloys. They have 66% 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 1.4515 stainless steel and the bottom bar is EN 1.8880 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
16
Fatigue Strength, MPa 380
470
Impact Strength: V-Notched Charpy, J 67
68
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 730
830
Tensile Strength: Yield (Proof), MPa 550
720

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 53
26
Embodied Water, L/kg 180
54

Common Calculations

PREN (Pitting Resistance) 38
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 730
1370
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 20
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 24.5 to 26.5
0 to 1.5
Copper (Cu), % 0.8 to 1.3
0 to 0.3
Iron (Fe), % 58.4 to 66.6
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.7
Nickel (Ni), % 5.5 to 7.0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.12 to 0.25
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.020
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