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EN 1.4542 Stainless Steel vs. EN 1.6554 Steel

Both EN 1.4542 stainless steel and EN 1.6554 steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
17 to 21
Fatigue Strength, MPa 370 to 640
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
780 to 930
Tensile Strength: Yield (Proof), MPa 580 to 1300
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
27 to 33
Strength to Weight: Bending, points 26 to 37
24 to 27
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 29 to 49
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.070
0.23 to 0.28
Chromium (Cr), % 15 to 17
0.7 to 0.9
Copper (Cu), % 3.0 to 5.0
0 to 0.3
Iron (Fe), % 69.6 to 79
94.6 to 97.3
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.6
0.2 to 0.3
Nickel (Ni), % 3.0 to 5.0
1.0 to 2.0
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0 to 0.030

Comparable Variants