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EN 1.4854 Stainless Steel vs. EN 1.4318 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4318 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 63% 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 1.4854 stainless steel and the bottom bar is EN 1.4318 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
44
Fatigue Strength, MPa 310
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
520
Tensile Strength: Ultimate (UTS), MPa 750
740
Tensile Strength: Yield (Proof), MPa 340
380

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1170
910
Melting Completion (Liquidus), °C 1370
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
2.8
Embodied Energy, MJ/kg 81
39
Embodied Water, L/kg 220
130

Common Calculations

PREN (Pitting Resistance) 28
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
280
Resilience: Unit (Modulus of Resilience), kJ/m3 280
360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
16.5 to 18.5
Iron (Fe), % 33.6 to 40.6
70.2 to 77.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 34 to 36
6.0 to 8.0
Nitrogen (N), % 0.12 to 0.2
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.2 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015