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EN 1.4362 Stainless Steel vs. EN 1.4659 Stainless Steel

Both EN 1.4362 stainless steel and EN 1.4659 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4362 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
49
Fatigue Strength, MPa 320
460
Impact Strength: V-Notched Charpy, J 90
94
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 470
640
Tensile Strength: Ultimate (UTS), MPa 730
900
Tensile Strength: Yield (Proof), MPa 460
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1060
1100
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.9
6.5
Embodied Energy, MJ/kg 41
89
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 26
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
370
Resilience: Unit (Modulus of Resilience), kJ/m3 530
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
31
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 22 to 24.5
23 to 25
Copper (Cu), % 0.1 to 0.6
1.0 to 2.0
Iron (Fe), % 65.5 to 74.3
35.7 to 45.7
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 0.1 to 0.6
5.5 to 6.5
Nickel (Ni), % 3.5 to 5.5
21 to 23
Nitrogen (N), % 0.050 to 0.2
0.35 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5