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EN 1.4565 Stainless Steel vs. EN 1.4470 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.4470 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 78% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
23
Fatigue Strength, MPa 380
320
Impact Strength: V-Notched Charpy, J 110
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 880
680
Tensile Strength: Yield (Proof), MPa 480
480

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
18
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.6
Embodied Energy, MJ/kg 74
49
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 47
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 3.2
4.8
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
21 to 23
Iron (Fe), % 41.2 to 50.7
63.7 to 71.9
Manganese (Mn), % 5.0 to 7.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
2.5 to 3.5
Nickel (Ni), % 16 to 19
4.5 to 6.5
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025