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EN 1.4523 Stainless Steel vs. EN 1.4724 Stainless Steel

Both EN 1.4523 stainless steel and EN 1.4724 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
16
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 320
340
Tensile Strength: Ultimate (UTS), MPa 520
550
Tensile Strength: Yield (Proof), MPa 320
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 500
390
Maximum Temperature: Mechanical, °C 920
850
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 40
28
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
73
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 5.8
5.6
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0.7 to 1.2
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 17.5 to 19
12 to 14
Iron (Fe), % 75.7 to 80.2
82.2 to 86.6
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0