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EN 1.4565 Stainless Steel vs. EN 1.8903 Steel

Both EN 1.4565 stainless steel and EN 1.8903 steel are iron alloys. They have 48% 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 1.4565 stainless steel and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 35
19
Fatigue Strength, MPa 380
330
Impact Strength: V-Notched Charpy, J 110
58
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 590
390
Tensile Strength: Ultimate (UTS), MPa 880
630
Tensile Strength: Yield (Proof), MPa 480
480

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.8
Embodied Energy, MJ/kg 74
24
Embodied Water, L/kg 210
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 550
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.030
0 to 0.22
Chromium (Cr), % 24 to 26
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 41.2 to 50.7
95 to 99.05
Manganese (Mn), % 5.0 to 7.0
1.0 to 1.8
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.13
Nickel (Ni), % 16 to 19
0 to 0.85
Niobium (Nb), % 0 to 0.15
0 to 0.060
Nitrogen (N), % 0.3 to 0.6
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22