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EN 1.6554 Steel vs. EN 1.4319 Stainless Steel

Both EN 1.6554 steel and EN 1.4319 stainless steel are iron alloys. They have 78% 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 1.6554 steel and the bottom bar is EN 1.4319 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
51
Fatigue Strength, MPa 380 to 520
240
Impact Strength: V-Notched Charpy, J 30 to 45
91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 780 to 930
640
Tensile Strength: Yield (Proof), MPa 550 to 790
250

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 22
39
Embodied Water, L/kg 53
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
260
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
23
Strength to Weight: Bending, points 24 to 27
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 23 to 27
14

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.070
Chromium (Cr), % 0.7 to 0.9
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
70.8 to 78
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.0 to 2.0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0