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EN 1.4347 Stainless Steel vs. EN 1.4854 Stainless Steel

Both EN 1.4347 stainless steel and EN 1.4854 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4347 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
45
Fatigue Strength, MPa 320
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 660
750
Tensile Strength: Yield (Proof), MPa 480
340

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1170
Melting Completion (Liquidus), °C 1410
1370
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
5.7
Embodied Energy, MJ/kg 44
81
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 28
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
270
Resilience: Unit (Modulus of Resilience), kJ/m3 570
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 25 to 27
24 to 26
Iron (Fe), % 62.2 to 69.4
33.6 to 40.6
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 5.5 to 7.5
34 to 36
Nitrogen (N), % 0.1 to 0.2
0.12 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.5
1.2 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.015