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EN 1.4859 Stainless Steel vs. EN 1.6554 Steel

Both EN 1.4859 stainless steel and EN 1.6554 steel are iron alloys. They have 48% of their average alloy composition in common. There are 30 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 1.4859 stainless steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
17 to 21
Fatigue Strength, MPa 140
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 490
780 to 930
Tensile Strength: Yield (Proof), MPa 210
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1050
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.7
Embodied Energy, MJ/kg 88
22
Embodied Water, L/kg 190
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 110
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
27 to 33
Strength to Weight: Bending, points 17
24 to 27
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
23 to 27

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.23 to 0.28
Chromium (Cr), % 19 to 21
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 40.3 to 49
94.6 to 97.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.3
Nickel (Ni), % 31 to 33
1.0 to 2.0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030