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EN 1.4565 Stainless Steel vs. EN 1.4308 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.4308 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4565 stainless steel and the bottom bar is EN 1.4308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
34
Fatigue Strength, MPa 380
160
Impact Strength: V-Notched Charpy, J 110
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 880
510
Tensile Strength: Yield (Proof), MPa 480
200

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.0
Embodied Energy, MJ/kg 74
43
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 47
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 24 to 26
18 to 20
Iron (Fe), % 41.2 to 50.7
65.9 to 74
Manganese (Mn), % 5.0 to 7.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 19
8.0 to 11
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030