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EN 1.6511 Steel vs. EN 1.4749 Stainless Steel

Both EN 1.6511 steel and EN 1.4749 stainless steel are iron alloys. They have 73% 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
16
Fatigue Strength, MPa 480
190
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 600
370
Tensile Strength: Ultimate (UTS), MPa 990
600
Tensile Strength: Yield (Proof), MPa 770
320

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
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
17
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
13
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
2.5
Embodied Energy, MJ/kg 21
36
Embodied Water, L/kg 53
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 35
22
Strength to Weight: Bending, points 28
21
Thermal Diffusivity, mm2/s 9.9
4.6
Thermal Shock Resistance, points 29
22

Alloy Composition

Carbon (C), % 0.32 to 0.4
0.15 to 0.2
Chromium (Cr), % 0.9 to 1.2
26 to 29
Iron (Fe), % 95.6 to 97.2
68.5 to 73.7
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
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015