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AISI 439 Stainless Steel vs. EN 1.5662 Steel

Both AISI 439 stainless steel and EN 1.5662 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 439 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 170
380 to 450
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
56 to 57
Shear Modulus, GPa 77
73
Shear Strength, MPa 310
460 to 470
Tensile Strength: Ultimate (UTS), MPa 490
740 to 750
Tensile Strength: Yield (Proof), MPa 250
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
430
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.5
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.3
2.3
Embodied Energy, MJ/kg 34
31
Embodied Water, L/kg 120
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 77.1 to 82.8
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 to 0.5
8.5 to 10
Nitrogen (N), % 0 to 0.030
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 0.030
0 to 0.0050
Titanium (Ti), % 0.2 to 1.1
0
Vanadium (V), % 0
0 to 0.050