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EN 1.4469 Stainless Steel vs. EN 1.4109 Stainless Steel

Both EN 1.4469 stainless steel and EN 1.4109 stainless steel are iron alloys. They have 78% 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 1.4469 stainless steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 25
19
Fatigue Strength, MPa 380
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 740
770
Tensile Strength: Yield (Proof), MPa 550
420

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
820
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.2
Embodied Energy, MJ/kg 57
30
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 42
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.6
8.1
Thermal Shock Resistance, points 20
28

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 25 to 27
14 to 16
Copper (Cu), % 0 to 1.3
0
Iron (Fe), % 56.4 to 65.9
80.7 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
0.4 to 0.8
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015