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EN 1.4470 Stainless Steel vs. EN 1.4652 Stainless Steel

Both EN 1.4470 stainless steel and EN 1.4652 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 74% 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 1.4470 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 320
450
Impact Strength: V-Notched Charpy, J 34
90
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 680
880
Tensile Strength: Yield (Proof), MPa 480
490

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1060
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 18
9.8
Thermal Expansion, µm/m-K 13
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.4
Embodied Energy, MJ/kg 49
87
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 34
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
340
Resilience: Unit (Modulus of Resilience), kJ/m3 570
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 4.8
2.6
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 21 to 23
23 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 63.7 to 71.9
38.3 to 46.3
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.5
7.0 to 8.0
Nickel (Ni), % 4.5 to 6.5
21 to 23
Nitrogen (N), % 0.12 to 0.2
0.45 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0050