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AISI 304N Stainless Steel vs. EN 1.4570 Stainless Steel

Both AISI 304N stainless steel and EN 1.4570 stainless steel are iron alloys. They have a very high 98% 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 1.4570 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1 to 45
40
Fatigue Strength, MPa 220 to 440
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 700
410
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
610
Tensile Strength: Yield (Proof), MPa 270 to 850
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
930
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 42
22
Strength to Weight: Bending, points 21 to 32
20
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 14 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
17 to 19
Copper (Cu), % 0
1.4 to 1.8
Iron (Fe), % 66.4 to 73.9
65 to 73.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 8.0 to 10.5
8.0 to 10
Nitrogen (N), % 0.1 to 0.16
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35