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EN 1.4451 Stainless Steel vs. EN 1.4652 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4652 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 77% 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 1.4451 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
45
Fatigue Strength, MPa 370
450
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 750
880
Tensile Strength: Yield (Proof), MPa 540
490

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
9.8
Thermal Expansion, µm/m-K 17
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 20
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.8
6.4
Embodied Energy, MJ/kg 53
87
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 39
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
340
Resilience: Unit (Modulus of Resilience), kJ/m3 710
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
30
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.5
2.6
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 25 to 27
23 to 25
Copper (Cu), % 2.8 to 3.5
0.3 to 0.6
Iron (Fe), % 56.2 to 64.6
38.3 to 46.3
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.5
7.0 to 8.0
Nickel (Ni), % 5.0 to 7.0
21 to 23
Nitrogen (N), % 0.12 to 0.22
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