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EN 1.4877 Stainless Steel vs. EN 1.4371 Stainless Steel

Both EN 1.4877 stainless steel and EN 1.4371 stainless steel are iron alloys. They have 61% 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 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 36
45 to 51
Fatigue Strength, MPa 170
290 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420
520 to 540
Tensile Strength: Ultimate (UTS), MPa 630
740 to 750
Tensile Strength: Yield (Proof), MPa 200
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 560
410
Maximum Temperature: Mechanical, °C 1150
880
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.6
Embodied Energy, MJ/kg 89
38
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 28
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 100
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.030
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 36.4 to 42.3
66.7 to 74.4
Manganese (Mn), % 0 to 1.0
6.0 to 8.0
Nickel (Ni), % 31 to 33
3.5 to 5.5
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0.15 to 0.25
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