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EN 1.4606 +P880 Steel vs. Precipitation Hardened S66286 Stainless Steel

Both EN 1.4606 +P880 steel and precipitation hardened S66286 stainless steel are iron alloys. Both are furnished in the aged (precipitation hardened) condition. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4606 +P880 steel and the bottom bar is precipitation hardened S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
17
Fatigue Strength, MPa 420
410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
75
Shear Strength, MPa 640
630
Tensile Strength: Ultimate (UTS), MPa 1020
1020
Tensile Strength: Yield (Proof), MPa 630
670

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 770
780
Maximum Temperature: Mechanical, °C 910
920
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
6.0
Embodied Energy, MJ/kg 87
87
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
36
Strength to Weight: Bending, points 28
28
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 35
22

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.35
Boron (B), % 0.0010 to 0.010
0.0010 to 0.010
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 13 to 16
13.5 to 16
Iron (Fe), % 49.2 to 59
49.1 to 59.5
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.5
1.0 to 1.5
Nickel (Ni), % 24 to 27
24 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
1.9 to 2.4
Vanadium (V), % 0.1 to 0.5
0.1 to 0.5