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AISI 329 Stainless Steel vs. EN 1.4547 Stainless Steel

Both AISI 329 stainless steel and EN 1.4547 stainless steel are iron alloys. They have 80% 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 AISI 329 stainless steel and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
39
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 440
510
Tensile Strength: Ultimate (UTS), MPa 710
750
Tensile Strength: Yield (Proof), MPa 540
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
28
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.6
Embodied Energy, MJ/kg 44
75
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 30
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 730
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.3
3.8
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 23 to 28
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 63.1 to 74
51 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
6.0 to 7.0
Nickel (Ni), % 2.0 to 5.0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010