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EN 1.4877 Stainless Steel vs. EN 1.4854 Stainless Steel

Both EN 1.4877 stainless steel and EN 1.4854 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4877 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 36
45
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 420
520
Tensile Strength: Ultimate (UTS), MPa 630
750
Tensile Strength: Yield (Proof), MPa 200
340

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Corrosion, °C 560
450
Maximum Temperature: Mechanical, °C 1150
1170
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
11
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
34
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.2
5.7
Embodied Energy, MJ/kg 89
81
Embodied Water, L/kg 220
220

Common Calculations

PREN (Pitting Resistance) 28
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
270
Resilience: Unit (Modulus of Resilience), kJ/m3 100
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.2
2.9
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.040 to 0.080
Cerium (Ce), % 0.050 to 0.1
0.030 to 0.080
Chromium (Cr), % 26 to 28
24 to 26
Iron (Fe), % 36.4 to 42.3
33.6 to 40.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 31 to 33
34 to 36
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0.12 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
1.2 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.015