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EN 1.4417 Stainless Steel vs. EN 1.4877 Stainless Steel

Both EN 1.4417 stainless steel and EN 1.4877 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4417 stainless steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
36
Fatigue Strength, MPa 380
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 730
630
Tensile Strength: Yield (Proof), MPa 550
200

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 21
37
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.1
6.2
Embodied Energy, MJ/kg 57
89
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 41
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 730
100
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
3.2
Thermal Shock Resistance, points 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 24 to 26
26 to 28
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 56.7 to 66.9
36.4 to 42.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.5
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0.15 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 1.0
0