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EN 1.4818 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.4818 stainless steel and S44330 stainless steel are iron alloys. They have 89% 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 1.4818 stainless steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
25
Fatigue Strength, MPa 280
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 480
280
Tensile Strength: Ultimate (UTS), MPa 700
440
Tensile Strength: Yield (Proof), MPa 330
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
560
Maximum Temperature: Mechanical, °C 1050
990
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 22
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
91
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.5
5.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.025
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 65.6 to 71.8
72.5 to 79.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.12 to 0.2
0 to 0.025
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.8