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EN 1.4864 Stainless Steel vs. EN 1.4372 Stainless Steel

Both EN 1.4864 stainless steel and EN 1.4372 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 69% of their average alloy composition in common. There are 33 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 1.4864 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
47
Fatigue Strength, MPa 200
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 650
790
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.6
Embodied Energy, MJ/kg 75
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
310
Resilience: Unit (Modulus of Resilience), kJ/m3 170
320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 41.7 to 51
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Nickel (Ni), % 33 to 37
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0.050 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015