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EN 1.4105 Stainless Steel vs. AISI 329 Stainless Steel

Both EN 1.4105 stainless steel and AISI 329 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 33 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 1.4105 stainless steel and the bottom bar is AISI 329 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 340
440
Tensile Strength: Ultimate (UTS), MPa 530
710
Tensile Strength: Yield (Proof), MPa 290
540

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.1
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 18
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 6.7
4.3
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
23 to 28
Iron (Fe), % 77.9 to 83.7
63.1 to 74
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.6
1.0 to 2.0
Nickel (Ni), % 0
2.0 to 5.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.030