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AISI 303 Stainless Steel vs. EN 1.5662 Steel

Both AISI 303 stainless steel and EN 1.5662 steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 303 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40 to 51
20
Fatigue Strength, MPa 230 to 360
380 to 450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 470
460 to 470
Tensile Strength: Ultimate (UTS), MPa 600 to 690
740 to 750
Tensile Strength: Yield (Proof), MPa 230 to 420
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.5
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.3
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 140
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
26
Strength to Weight: Bending, points 20 to 22
23
Thermal Shock Resistance, points 13 to 15
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 67.3 to 74.9
88.6 to 91.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 8.0 to 10
8.5 to 10
Phosphorus (P), % 0 to 0.2
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0.15 to 0.35
0 to 0.0050
Vanadium (V), % 0
0 to 0.050