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EN 1.4411 Stainless Steel vs. EN 1.4469 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4469 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4411 stainless steel and the bottom bar is EN 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
25
Fatigue Strength, MPa 370
380
Impact Strength: V-Notched Charpy, J 68
56
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 870
740
Tensile Strength: Yield (Proof), MPa 600
550

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 22
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 920
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 28
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
25 to 27
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 73.1 to 79.5
56.4 to 65.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
3.0 to 5.0
Nickel (Ni), % 4.0 to 6.0
6.0 to 8.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025