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EN 1.4317 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4317 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 58% 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 1.4317 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
6.8
Fatigue Strength, MPa 380
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 860
470
Tensile Strength: Yield (Proof), MPa 630
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 770
1020
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.8
Embodied Energy, MJ/kg 33
81
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 14
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
27
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
16
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 7.0
3.1
Thermal Shock Resistance, points 30
11

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.5
Chromium (Cr), % 12 to 13.5
18 to 21
Iron (Fe), % 78.7 to 84.5
34.4 to 44.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
0 to 0.5
Nickel (Ni), % 3.5 to 5.0
36 to 39
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030