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EN 1.4539 Stainless Steel vs. EN 1.4460 Stainless Steel

Both EN 1.4539 stainless steel and EN 1.4460 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is EN 1.4460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
21
Fatigue Strength, MPa 220
330
Impact Strength: V-Notched Charpy, J 90
83
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Shear Strength, MPa 430
470
Tensile Strength: Ultimate (UTS), MPa 630
750
Tensile Strength: Yield (Proof), MPa 260
510

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
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 31
18
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.7
3.4
Embodied Energy, MJ/kg 78
48
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 36
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 19 to 21
25 to 28
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
60.2 to 69.2
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
1.3 to 2.0
Nickel (Ni), % 24 to 26
4.5 to 6.5
Nitrogen (N), % 0 to 0.15
0.050 to 0.2
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