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EN 1.4469 Stainless Steel vs. EN 1.8959 Steel

Both EN 1.4469 stainless steel and EN 1.8959 steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.8959 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 25
16
Fatigue Strength, MPa 380
220
Impact Strength: V-Notched Charpy, J 56
30
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 740
570
Tensile Strength: Yield (Proof), MPa 550
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.6
Embodied Energy, MJ/kg 57
21
Embodied Water, L/kg 180
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
78
Resilience: Unit (Modulus of Resilience), kJ/m3 730
300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.6
10
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.19
Chromium (Cr), % 25 to 27
0.35 to 0.85
Copper (Cu), % 0 to 1.3
0.2 to 0.6
Iron (Fe), % 56.4 to 65.9
94.9 to 99
Manganese (Mn), % 0 to 1.0
0.45 to 1.6
Molybdenum (Mo), % 3.0 to 5.0
0 to 0.35
Nickel (Ni), % 6.0 to 8.0
0 to 0.7
Nitrogen (N), % 0.12 to 0.22
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.040
Zirconium (Zr), % 0
0 to 0.17