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EN 1.6553 Steel vs. EN 1.4558 Stainless Steel

Both EN 1.6553 steel and EN 1.4558 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6553 steel and the bottom bar is EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 21
39
Fatigue Strength, MPa 330 to 460
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 710 to 800
510
Tensile Strength: Yield (Proof), MPa 470 to 670
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.5
Embodied Energy, MJ/kg 21
77
Embodied Water, L/kg 51
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
160
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 1190
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
18
Strength to Weight: Bending, points 23 to 24
18
Thermal Diffusivity, mm2/s 10
3.1
Thermal Shock Resistance, points 21 to 23
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0.23 to 0.28
0 to 0.030
Chromium (Cr), % 0.4 to 0.8
20 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.6 to 98.2
39.2 to 47.9
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0.4 to 0.8
32 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Vanadium (V), % 0 to 0.030
0