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EN 1.4857 Stainless Steel vs. EN 1.8888 Steel

Both EN 1.4857 stainless steel and EN 1.8888 steel are iron alloys. They have 40% 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 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
16
Fatigue Strength, MPa 120
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 500
830
Tensile Strength: Yield (Proof), MPa 250
720

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.9
Embodied Energy, MJ/kg 81
26
Embodied Water, L/kg 220
54

Common Calculations

PREN (Pitting Resistance) 26
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.5
0 to 0.2
Chromium (Cr), % 24 to 27
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 31.4 to 41.7
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.7
Nickel (Ni), % 33 to 36
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15