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EN 1.4845 Stainless Steel vs. EN 1.4854 Stainless Steel

Both EN 1.4845 stainless steel and EN 1.4854 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4845 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
45
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 410
520
Tensile Strength: Ultimate (UTS), MPa 600
750
Tensile Strength: Yield (Proof), MPa 240
340

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1050
1170
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
5.7
Embodied Energy, MJ/kg 61
81
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 26
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 24 to 26
24 to 26
Iron (Fe), % 48.2 to 57
33.6 to 40.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 19 to 22
34 to 36
Nitrogen (N), % 0 to 0.1
0.12 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
1.2 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015