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EN 1.4529 Stainless Steel vs. AISI 314 Stainless Steel

Both EN 1.4529 stainless steel and AISI 314 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4529 stainless steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
45
Fatigue Strength, MPa 310
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 520
410
Tensile Strength: Ultimate (UTS), MPa 750
590
Tensile Strength: Yield (Proof), MPa 340
230

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
4.3
Embodied Energy, MJ/kg 84
62
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 45
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
210
Resilience: Unit (Modulus of Resilience), kJ/m3 280
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.25
Chromium (Cr), % 19 to 21
23 to 26
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 42.7 to 50.4
46.7 to 56.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 24 to 26
19 to 22
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
1.5 to 3.0
Sulfur (S), % 0 to 0.010
0 to 0.030