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EN 1.4460 Stainless Steel vs. EN 1.4462 Stainless Steel

Both EN 1.4460 stainless steel and EN 1.4462 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4460 stainless steel and the bottom bar is EN 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
26
Fatigue Strength, MPa 330
370
Impact Strength: V-Notched Charpy, J 83
90
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Shear Strength, MPa 470
500
Tensile Strength: Ultimate (UTS), MPa 750
780
Tensile Strength: Yield (Proof), MPa 510
520

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 18
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 48
49
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 640
670
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 25 to 28
21 to 23
Iron (Fe), % 60.2 to 69.2
63.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 2.0
2.5 to 3.5
Nickel (Ni), % 4.5 to 6.5
4.5 to 6.5
Nitrogen (N), % 0.050 to 0.2
0.1 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015