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EN 1.4662 Stainless Steel vs. EN 1.5508 Steel

Both EN 1.4662 stainless steel and EN 1.5508 steel are iron alloys. They have 68% 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 1.4662 stainless steel and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 20
Fatigue Strength, MPa 430 to 450
210 to 320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 520 to 540
300 to 360
Tensile Strength: Ultimate (UTS), MPa 810 to 830
420 to 1460
Tensile Strength: Yield (Proof), MPa 580 to 620
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
260 to 640
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 30
15 to 52
Strength to Weight: Bending, points 25
16 to 36
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 22
12 to 43

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 23 to 25
0 to 0.3
Copper (Cu), % 0.1 to 0.8
0 to 0.25
Iron (Fe), % 62.6 to 70.2
97.9 to 99.199
Manganese (Mn), % 2.5 to 4.0
0.6 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 3.0 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.025

Comparable Variants