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AISI 418 Stainless Steel vs. EN 1.4848 Stainless Steel

Both AISI 418 stainless steel and EN 1.4848 stainless steel are iron alloys. They have 67% 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 AISI 418 stainless steel and the bottom bar is EN 1.4848 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
9.0
Fatigue Strength, MPa 520
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 1100
510
Tensile Strength: Yield (Proof), MPa 850
250

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1500
1390
Melting Onset (Solidus), °C 1460
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.4
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
38
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
18
Strength to Weight: Bending, points 29
18
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 40
11

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.3 to 0.5
Chromium (Cr), % 12 to 14
24 to 27
Iron (Fe), % 78.5 to 83.6
45.4 to 55.7
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 1.8 to 2.2
19 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0