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EN 1.4105 Stainless Steel vs. EN 1.4434 Stainless Steel

Both EN 1.4105 stainless steel and EN 1.4434 stainless steel are iron alloys. They have 83% 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 EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
41
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 340
450
Tensile Strength: Ultimate (UTS), MPa 530
660
Tensile Strength: Yield (Proof), MPa 290
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.2
Embodied Energy, MJ/kg 31
57
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 18
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
16.5 to 19.5
Iron (Fe), % 77.9 to 83.7
59.2 to 69.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.6
3.0 to 4.0
Nickel (Ni), % 0
10.5 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015