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EN 1.5663 Steel vs. EN 1.4981 Stainless Steel

Both EN 1.5663 steel and EN 1.4981 stainless steel are iron alloys. They have 73% 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 1.5663 steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
39
Fatigue Strength, MPa 450
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 470
420
Tensile Strength: Ultimate (UTS), MPa 750
610
Tensile Strength: Yield (Proof), MPa 660
240

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
940
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
25
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.3
4.8
Embodied Energy, MJ/kg 31
67
Embodied Water, L/kg 63
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Shock Resistance, points 22
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 88.6 to 91.2
59.6 to 66.7
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Molybdenum (Mo), % 0 to 0.1
1.6 to 2.0
Nickel (Ni), % 8.5 to 10
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.35
0.3 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0 to 0.010
0