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EN 1.4347 Stainless Steel vs. EN 1.8527 Steel

Both EN 1.4347 stainless steel and EN 1.8527 steel are iron alloys. They have 71% 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 1.4347 stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 320
520
Impact Strength: V-Notched Charpy, J 34
39
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 660
900
Tensile Strength: Yield (Proof), MPa 480
800

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
490
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 44
23
Embodied Water, L/kg 170
66

Common Calculations

PREN (Pitting Resistance) 28
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 570
1670
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 19
26

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.12
Chromium (Cr), % 25 to 27
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.2 to 69.4
93.2 to 95.1
Manganese (Mn), % 0 to 1.5
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035