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EN 1.4652 Stainless Steel vs. EN 1.4451 Stainless Steel

Both EN 1.4652 stainless steel and EN 1.4451 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 1.4652 stainless steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 9.8
17
Thermal Expansion, µm/m-K 15
17

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 34
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.8
Embodied Energy, MJ/kg 87
53
Embodied Water, L/kg 220
190

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 23 to 25
25 to 27
Copper (Cu), % 0.3 to 0.6
2.8 to 3.5
Iron (Fe), % 38.3 to 46.3
56.2 to 64.6
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 7.0 to 8.0
2.5 to 3.5
Nickel (Ni), % 21 to 23
5.0 to 7.0
Nitrogen (N), % 0.45 to 0.55
0.12 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.025