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EN 1.6511 Steel vs. EN 1.4742 Stainless Steel

Both EN 1.6511 steel and EN 1.4742 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6511 steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
17
Fatigue Strength, MPa 480
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 600
370
Tensile Strength: Ultimate (UTS), MPa 990
600
Tensile Strength: Yield (Proof), MPa 770
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 36
19
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
32
Embodied Water, L/kg 53
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
22
Strength to Weight: Bending, points 28
21
Thermal Diffusivity, mm2/s 9.9
5.1
Thermal Shock Resistance, points 29
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.32 to 0.4
0 to 0.12
Chromium (Cr), % 0.9 to 1.2
17 to 19
Iron (Fe), % 95.6 to 97.2
77.2 to 81.6
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0.7 to 1.4
Sulfur (S), % 0 to 0.035
0 to 0.015