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EN 1.4864 Stainless Steel vs. EN 1.4520 Stainless Steel

Both EN 1.4864 stainless steel and EN 1.4520 stainless steel are iron alloys. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4864 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
26
Fatigue Strength, MPa 200
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 430
310
Tensile Strength: Ultimate (UTS), MPa 650
480
Tensile Strength: Yield (Proof), MPa 260
220

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
20
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
8.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.2
Embodied Energy, MJ/kg 75
32
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 17
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.3
5.4
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.025
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 41.7 to 51
80.1 to 83.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 33 to 37
0
Nitrogen (N), % 0 to 0.1
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8