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EN 1.4319 Stainless Steel vs. EN 1.4469 Stainless Steel

Both EN 1.4319 stainless steel and EN 1.4469 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4319 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, % 51
25
Fatigue Strength, MPa 240
380
Impact Strength: V-Notched Charpy, J 91
56
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 640
740
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 890
1100
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 15
17
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 39
57
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 18
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
170
Resilience: Unit (Modulus of Resilience), kJ/m3 160
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 16 to 18
25 to 27
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 70.8 to 78
56.4 to 65.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 6.0 to 8.0
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025