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EN 1.4162 Stainless Steel vs. EN 1.4659 Stainless Steel

Both EN 1.4162 stainless steel and EN 1.4659 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 68% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4162 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 32
49
Fatigue Strength, MPa 410
460
Impact Strength: V-Notched Charpy, J 77
94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 520
640
Tensile Strength: Ultimate (UTS), MPa 780
900
Tensile Strength: Yield (Proof), MPa 520
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
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 12
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.6
6.5
Embodied Energy, MJ/kg 38
89
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 27
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
370
Resilience: Unit (Modulus of Resilience), kJ/m3 690
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
31
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 21 to 22
23 to 25
Copper (Cu), % 0.1 to 0.8
1.0 to 2.0
Iron (Fe), % 67.2 to 73.3
35.7 to 45.7
Manganese (Mn), % 4.0 to 6.0
2.0 to 4.0
Molybdenum (Mo), % 0.1 to 0.8
5.5 to 6.5
Nickel (Ni), % 1.4 to 1.9
21 to 23
Nitrogen (N), % 0.2 to 0.25
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
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