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EN 1.4659 Stainless Steel vs. EN 1.4410 Stainless Steel

Both EN 1.4659 stainless steel and EN 1.4410 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is EN 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
260
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 49
24
Fatigue Strength, MPa 460
410
Impact Strength: V-Notched Charpy, J 94
90
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
81
Shear Strength, MPa 640
540
Tensile Strength: Ultimate (UTS), MPa 900
850
Tensile Strength: Yield (Proof), MPa 480
600

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
4.0
Embodied Energy, MJ/kg 89
56
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
180
Resilience: Unit (Modulus of Resilience), kJ/m3 550
880
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
30
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 19
23

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 23 to 25
24 to 26
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
58.1 to 66.8
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 5.5 to 6.5
3.0 to 4.5
Nickel (Ni), % 21 to 23
6.0 to 8.0
Nitrogen (N), % 0.35 to 0.5
0.24 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0