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EN 1.4520 Stainless Steel vs. EN 1.4877 Stainless Steel

Both EN 1.4520 stainless steel and EN 1.4877 stainless steel are iron alloys. They have 57% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4520 stainless steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
36
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 310
420
Tensile Strength: Ultimate (UTS), MPa 480
630
Tensile Strength: Yield (Proof), MPa 220
200

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 500
560
Maximum Temperature: Mechanical, °C 870
1150
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
37
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
6.2
Embodied Energy, MJ/kg 32
89
Embodied Water, L/kg 120
220

Common Calculations

PREN (Pitting Resistance) 17
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 120
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 5.4
3.2
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.025
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 16 to 18
26 to 28
Iron (Fe), % 80.1 to 83.9
36.4 to 42.3
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0 to 0.015
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.15 to 0.8
0