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EN 1.4959 Stainless Steel vs. AISI 304N Stainless Steel

Both EN 1.4959 stainless steel and AISI 304N stainless steel are iron alloys. They have 74% 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 1.4959 stainless steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
9.1 to 45
Fatigue Strength, MPa 170
220 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
420 to 700
Tensile Strength: Ultimate (UTS), MPa 630
620 to 1180
Tensile Strength: Yield (Proof), MPa 190
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 1090
960
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.0
Embodied Energy, MJ/kg 76
43
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 21
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 96
180 to 1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
22 to 42
Strength to Weight: Bending, points 20
21 to 32
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 15
14 to 26

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.080
Chromium (Cr), % 19 to 22
18 to 20
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
66.4 to 73.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 30 to 34
8.0 to 10.5
Nitrogen (N), % 0 to 0.030
0.1 to 0.16
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.25 to 0.65
0