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EN 1.4828 Stainless Steel vs. AISI 418 Stainless Steel

Both EN 1.4828 stainless steel and AISI 418 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4828 stainless steel and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33
17
Fatigue Strength, MPa 200
520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
680
Tensile Strength: Ultimate (UTS), MPa 650
1100
Tensile Strength: Yield (Proof), MPa 260
850

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1000
770
Melting Completion (Liquidus), °C 1400
1500
Melting Onset (Solidus), °C 1360
1460
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.9
Embodied Energy, MJ/kg 48
41
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
38
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 14
40

Alloy Composition

Carbon (C), % 0 to 0.2
0.15 to 0.2
Chromium (Cr), % 19 to 21
12 to 14
Iron (Fe), % 61.1 to 68.5
78.5 to 83.6
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 11 to 13
1.8 to 2.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5