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EN 1.4818 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4818 stainless steel and EN 1.4805 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 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 1.4818 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
9.0
Fatigue Strength, MPa 280
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 700
490
Tensile Strength: Yield (Proof), MPa 330
250

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1050
1000
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.7
Embodied Energy, MJ/kg 44
66
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 22
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
37
Resilience: Unit (Modulus of Resilience), kJ/m3 270
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.2 to 0.5
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
19 to 23
Iron (Fe), % 65.6 to 71.8
44.9 to 56.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
23 to 27
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030