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EN 1.4945 Stainless Steel vs. EN 1.5663 Steel

Both EN 1.4945 stainless steel and EN 1.5663 steel are iron alloys. They have 72% 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 1.4945 stainless steel and the bottom bar is EN 1.5663 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
20
Fatigue Strength, MPa 230 to 350
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 460
470
Tensile Strength: Ultimate (UTS), MPa 640 to 740
750
Tensile Strength: Yield (Proof), MPa 290 to 550
660

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
430
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.5
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 5.0
2.3
Embodied Energy, MJ/kg 73
31
Embodied Water, L/kg 150
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
26
Strength to Weight: Bending, points 20 to 22
23
Thermal Shock Resistance, points 14 to 16
22

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.1
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 57.9 to 65.7
88.6 to 91.2
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 15.5 to 17.5
8.5 to 10
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.3 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0
0 to 0.010