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EN 1.4865 Stainless Steel vs. EN 1.4446 Stainless Steel

Both EN 1.4865 stainless steel and EN 1.4446 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4865 stainless steel and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
23
Fatigue Strength, MPa 120
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 470
490
Tensile Strength: Yield (Proof), MPa 250
240

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 1020
980
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.8
4.5
Embodied Energy, MJ/kg 81
60
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
93
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.1
3.6
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
16.5 to 18.5
Iron (Fe), % 34.4 to 44.7
59.7 to 66.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
4.0 to 4.5
Nickel (Ni), % 36 to 39
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030