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EN 1.4468 Stainless Steel vs. AISI 347 Stainless Steel

Both EN 1.4468 stainless steel and AISI 347 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 1.4468 stainless steel and the bottom bar is AISI 347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
34 to 46
Fatigue Strength, MPa 380
220 to 270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 730
610 to 690
Tensile Strength: Yield (Proof), MPa 550
240 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
480
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.6
Embodied Energy, MJ/kg 53
52
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 38
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
190 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 730
150 to 310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
22 to 25
Strength to Weight: Bending, points 23
20 to 22
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 20
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24.5 to 26.5
17 to 19
Iron (Fe), % 59.7 to 67.4
64.1 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.5 to 7.0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.12 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030