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EN 1.4550 Stainless Steel vs. EN 1.0456 Steel

Both EN 1.4550 stainless steel and EN 1.0456 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is EN 1.0456 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
24 to 26
Fatigue Strength, MPa 210
210 to 220
Impact Strength: V-Notched Charpy, J 90
38 to 45
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
270 to 280
Tensile Strength: Ultimate (UTS), MPa 620
420 to 450
Tensile Strength: Yield (Proof), MPa 230
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 51
20
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
93 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220 to 230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
15 to 16
Strength to Weight: Bending, points 21
16 to 17
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14
13 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 17 to 19
0 to 0.3
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 64.9 to 74
96.7 to 99.48
Manganese (Mn), % 0 to 2.0
0.5 to 1.4
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 9.0 to 12
0 to 0.3
Niobium (Nb), % 0 to 1.0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050