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EN 1.5503 Steel vs. EN 1.4662 Stainless Steel

Both EN 1.5503 steel and EN 1.4662 stainless steel are iron alloys. They have 67% 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 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
28
Fatigue Strength, MPa 180 to 280
430 to 450
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 270 to 320
520 to 540
Tensile Strength: Ultimate (UTS), MPa 400 to 520
810 to 830
Tensile Strength: Yield (Proof), MPa 270 to 430
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 46
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
840 to 940
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
29 to 30
Strength to Weight: Bending, points 15 to 18
25
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 12 to 15
22

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.25
0.1 to 0.8
Iron (Fe), % 98.4 to 99.239
62.6 to 70.2
Manganese (Mn), % 0.6 to 0.8
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.0050

Comparable Variants