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EN 1.4374 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4374 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 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 1.4374 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
6.8
Fatigue Strength, MPa 340
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 800
470
Tensile Strength: Yield (Proof), MPa 400
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 920
1020
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
33
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
5.8
Embodied Energy, MJ/kg 42
81
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
27
Resilience: Unit (Modulus of Resilience), kJ/m3 400
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.3 to 0.5
Chromium (Cr), % 17.5 to 18.5
18 to 21
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
34.4 to 44.7
Manganese (Mn), % 9.0 to 10
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 5.0 to 6.0
36 to 39
Nitrogen (N), % 0.25 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030