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EN 1.4854 Stainless Steel vs. EN 1.4347 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4347 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 1.4854 stainless steel and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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