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EN 1.4347 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4347 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 1.4347 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
6.8
Fatigue Strength, MPa 320
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 660
470
Tensile Strength: Yield (Proof), MPa 480
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
33
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.8
Embodied Energy, MJ/kg 44
81
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 28
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
27
Resilience: Unit (Modulus of Resilience), kJ/m3 570
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.050
0.3 to 0.5
Chromium (Cr), % 25 to 27
18 to 21
Iron (Fe), % 62.2 to 69.4
34.4 to 44.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 5.5 to 7.5
36 to 39
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.5
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030