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EN 1.5503 Steel vs. EN 1.4558 Stainless Steel

Both EN 1.5503 steel and EN 1.4558 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5503 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, % 12 to 17
39
Fatigue Strength, MPa 180 to 280
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 270 to 320
350
Tensile Strength: Ultimate (UTS), MPa 400 to 520
510
Tensile Strength: Yield (Proof), MPa 270 to 430
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
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 52
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 18
77
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
160
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
18
Strength to Weight: Bending, points 15 to 18
18
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 12 to 15
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.030
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.239
39.2 to 47.9
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Nickel (Ni), % 0
32 to 35
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.6