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EN 1.4857 Stainless Steel vs. EN 1.4905 Stainless Steel

Both EN 1.4857 stainless steel and EN 1.4905 stainless steel are iron alloys. They have 47% 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 1.4857 stainless steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
19
Fatigue Strength, MPa 120
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 500
740
Tensile Strength: Yield (Proof), MPa 250
510

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 1100
660
Melting Completion (Liquidus), °C 1370
1480
Melting Onset (Solidus), °C 1320
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.7
2.8
Embodied Energy, MJ/kg 81
40
Embodied Water, L/kg 220
90

Common Calculations

PREN (Pitting Resistance) 26
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
680
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 3.4
7.0
Thermal Shock Resistance, points 11
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0.3 to 0.5
0.090 to 0.13
Chromium (Cr), % 24 to 27
8.5 to 9.5
Iron (Fe), % 31.4 to 41.7
86.2 to 88.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 33 to 36
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25