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EN 1.4749 Stainless Steel vs. EN 1.5662 Steel

Both EN 1.4749 stainless steel and EN 1.5662 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4749 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 190
380 to 450
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
460 to 470
Tensile Strength: Ultimate (UTS), MPa 600
740 to 750
Tensile Strength: Yield (Proof), MPa 320
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.5
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
2.3
Embodied Energy, MJ/kg 36
31
Embodied Water, L/kg 160
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
810 to 1150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 22
22

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.1
Chromium (Cr), % 26 to 29
0
Iron (Fe), % 68.5 to 73.7
88.6 to 91.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
8.5 to 10
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Vanadium (V), % 0
0 to 0.050