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EN 1.4618 Stainless Steel vs. EN 1.4005 Stainless Steel

Both EN 1.4618 stainless steel and EN 1.4005 stainless steel are iron alloys. They have 82% 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 EN 1.4618 stainless steel and the bottom bar is EN 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
13 to 21
Fatigue Strength, MPa 240 to 250
240 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 480 to 500
390 to 450
Tensile Strength: Ultimate (UTS), MPa 680 to 700
630 to 750
Tensile Strength: Yield (Proof), MPa 250 to 260
370 to 500

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 900
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 19
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
350 to 650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 25
23 to 27
Strength to Weight: Bending, points 22 to 23
21 to 24
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 15 to 16
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.1
0.060 to 0.15
Chromium (Cr), % 16.5 to 18.5
12 to 14
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
82.4 to 87.8
Manganese (Mn), % 5.5 to 9.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0.15 to 0.35