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EN 1.4361 Stainless Steel vs. EN 1.4462 Stainless Steel

Both EN 1.4361 stainless steel and EN 1.4462 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 1.4361 stainless steel and the bottom bar is EN 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 43
26
Fatigue Strength, MPa 220
370
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Shear Strength, MPa 440
500
Tensile Strength: Ultimate (UTS), MPa 630
780
Tensile Strength: Yield (Proof), MPa 250
520

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 940
1060
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.6
Embodied Energy, MJ/kg 52
49
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 19
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
21 to 23
Iron (Fe), % 58.7 to 65.8
63.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
2.5 to 3.5
Nickel (Ni), % 14 to 16
4.5 to 6.5
Nitrogen (N), % 0 to 0.1
0.1 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 3.7 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015