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EN 1.4417 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4417 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 68% 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 1.4417 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, % 25
6.8
Fatigue Strength, MPa 380
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 730
470
Tensile Strength: Yield (Proof), MPa 550
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 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
33
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.1
5.8
Embodied Energy, MJ/kg 57
81
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 41
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
27
Resilience: Unit (Modulus of Resilience), kJ/m3 730
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 20
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 24 to 26
18 to 21
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 56.7 to 66.9
34.4 to 44.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 6.0 to 8.5
36 to 39
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 1.0
0