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EN 1.4615 Stainless Steel vs. EN 1.4460 Stainless Steel

Both EN 1.4615 stainless steel and EN 1.4460 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4615 stainless steel and the bottom bar is EN 1.4460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 50
21
Fatigue Strength, MPa 190
330
Impact Strength: V-Notched Charpy, J 91
83
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 360
470
Tensile Strength: Ultimate (UTS), MPa 500
750
Tensile Strength: Yield (Proof), MPa 200
510

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
18
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 40
48
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 17
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 99
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 14 to 16
25 to 28
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 63.1 to 72.5
60.2 to 69.2
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.8
1.3 to 2.0
Nickel (Ni), % 4.5 to 6.0
4.5 to 6.5
Nitrogen (N), % 0.020 to 0.060
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015