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EN 1.4105 Stainless Steel vs. EN 1.4470 Stainless Steel

Both EN 1.4105 stainless steel and EN 1.4470 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 190
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 530
680
Tensile Strength: Yield (Proof), MPa 290
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 870
1060
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
18
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 31
49
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 18
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 6.7
4.8
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
21 to 23
Iron (Fe), % 77.9 to 83.7
63.7 to 71.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.6
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.025