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AISI 304N Stainless Steel vs. EN 1.4724 Stainless Steel

Both AISI 304N stainless steel and EN 1.4724 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1 to 45
16
Fatigue Strength, MPa 220 to 440
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 420 to 700
340
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
550
Tensile Strength: Yield (Proof), MPa 270 to 850
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 960
850
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 43
28
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
73
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 42
20
Strength to Weight: Bending, points 21 to 32
19
Thermal Diffusivity, mm2/s 4.2
5.6
Thermal Shock Resistance, points 14 to 26
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 18 to 20
12 to 14
Iron (Fe), % 66.4 to 73.9
82.2 to 86.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015