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EN 1.4854 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4887 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4854 stainless steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 310
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 520
400
Tensile Strength: Ultimate (UTS), MPa 750
580
Tensile Strength: Yield (Proof), MPa 340
300

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Corrosion, °C 450
600
Maximum Temperature: Mechanical, °C 1170
1100
Melting Completion (Liquidus), °C 1370
1390
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
39
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 5.7
6.7
Embodied Energy, MJ/kg 81
96
Embodied Water, L/kg 220
210

Common Calculations

PREN (Pitting Resistance) 28
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.15
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
20 to 23
Iron (Fe), % 33.6 to 40.6
34.2 to 45
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 34 to 36
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0.12 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.2 to 2.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015