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EN 1.4877 Stainless Steel vs. EN 1.4872 Stainless Steel

Both EN 1.4877 stainless steel and EN 1.4872 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 72% 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 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 36
28
Fatigue Strength, MPa 170
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 420
620
Tensile Strength: Ultimate (UTS), MPa 630
950
Tensile Strength: Yield (Proof), MPa 200
560

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1150
1150
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 6.2
3.3
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 28
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230
Resilience: Unit (Modulus of Resilience), kJ/m3 100
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22
35
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.2 to 0.3
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
24 to 26
Iron (Fe), % 36.4 to 42.3
54.2 to 61.6
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 31 to 33
6.0 to 8.0
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015