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EN 1.5663 Steel vs. EN 1.4371 Stainless Steel

Both EN 1.5663 steel and EN 1.4371 stainless steel are iron alloys. They have 76% 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 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
45 to 51
Fatigue Strength, MPa 450
290 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 470
520 to 540
Tensile Strength: Ultimate (UTS), MPa 750
740 to 750
Tensile Strength: Yield (Proof), MPa 660
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 31
38
Embodied Water, L/kg 63
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
250 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
24
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 88.6 to 91.2
66.7 to 74.4
Manganese (Mn), % 0.3 to 0.8
6.0 to 8.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 8.5 to 10
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0 to 0.010
0