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EN 1.4557 Stainless Steel vs. EN 1.8527 Steel

Both EN 1.4557 stainless steel and EN 1.8527 steel are iron alloys. They have 58% 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 1.4557 stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 260
520
Impact Strength: V-Notched Charpy, J 56
39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 560
900
Tensile Strength: Yield (Proof), MPa 300
800

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
490
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.7
Embodied Energy, MJ/kg 76
23
Embodied Water, L/kg 190
66

Common Calculations

PREN (Pitting Resistance) 45
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 12
26

Alloy Composition

Carbon (C), % 0 to 0.020
0.040 to 0.12
Chromium (Cr), % 19.5 to 20.5
3.7 to 4.3
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 49.5 to 56.3
93.2 to 95.1
Manganese (Mn), % 0 to 1.2
0.85 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
0.4 to 0.6
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035