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EN 1.8888 Steel vs. EN 1.4565 Stainless Steel

Both EN 1.8888 steel and EN 1.4565 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
35
Fatigue Strength, MPa 470
380
Impact Strength: V-Notched Charpy, J 110
110
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 510
590
Tensile Strength: Ultimate (UTS), MPa 830
880
Tensile Strength: Yield (Proof), MPa 720
480

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
5.4
Embodied Energy, MJ/kg 26
74
Embodied Water, L/kg 54
210

Common Calculations

PREN (Pitting Resistance) 2.0
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
260
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
31
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 24
21

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
24 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
41.2 to 50.7
Manganese (Mn), % 0 to 1.7
5.0 to 7.0
Molybdenum (Mo), % 0 to 0.7
4.0 to 5.0
Nickel (Ni), % 0 to 2.5
16 to 19
Niobium (Nb), % 0 to 0.060
0 to 0.15
Nitrogen (N), % 0 to 0.015
0.3 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0