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EN 1.4451 Stainless Steel vs. EN 1.4523 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4523 stainless steel are iron alloys. They have 82% 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 1.4451 stainless steel and the bottom bar is EN 1.4523 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 370
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 750
520
Tensile Strength: Yield (Proof), MPa 540
320

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
500
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
22
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.9
Embodied Energy, MJ/kg 53
40
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 39
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
77
Resilience: Unit (Modulus of Resilience), kJ/m3 710
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.5
5.8
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 25 to 27
17.5 to 19
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
75.7 to 80.2
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
2.0 to 2.5
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0.15 to 0.35
Titanium (Ti), % 0
0.15 to 0.8