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EN 1.4611 Stainless Steel vs. EN 1.4518 Stainless Steel

Both EN 1.4611 stainless steel and EN 1.4518 stainless steel are iron alloys. They have 86% 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 1.4611 stainless steel and the bottom bar is EN 1.4518 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 180
160
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 530
490
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 530
420
Maximum Temperature: Mechanical, °C 970
1000
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.0
Embodied Energy, MJ/kg 36
55
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 21
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 5.7
4.1
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19 to 22
18 to 20
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.3 to 80.8
61.4 to 70
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
3.0 to 3.5
Nickel (Ni), % 0 to 0.5
9.0 to 12
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0