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EN 1.5680 Steel vs. EN 1.4557 Stainless Steel

Both EN 1.5680 steel and EN 1.4557 stainless steel are iron alloys. They have 59% 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 1.5680 steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 310
260
Impact Strength: V-Notched Charpy, J 71
56
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 620
560
Tensile Strength: Yield (Proof), MPa 440
300

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
29
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.9
5.6
Embodied Energy, MJ/kg 26
76
Embodied Water, L/kg 55
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 510
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 93.4 to 95
49.5 to 56.3
Manganese (Mn), % 0.3 to 0.8
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 4.8 to 5.3
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.010
Vanadium (V), % 0 to 0.050
0