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AISI 418 Stainless Steel vs. EN 1.4560 Stainless Steel

Both AISI 418 stainless steel and EN 1.4560 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 AISI 418 stainless steel and the bottom bar is EN 1.4560 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
50
Fatigue Strength, MPa 520
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 680
390
Tensile Strength: Ultimate (UTS), MPa 1100
550
Tensile Strength: Yield (Proof), MPa 850
190

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 770
940
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1460
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 40
12

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.035
Chromium (Cr), % 12 to 14
18 to 19
Copper (Cu), % 0
1.5 to 2.0
Iron (Fe), % 78.5 to 83.6
66.8 to 71
Manganese (Mn), % 0 to 0.5
1.5 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
8.0 to 9.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0