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EN 1.4424 Stainless Steel vs. EN 1.4006 Stainless Steel

Both EN 1.4424 stainless steel and EN 1.4006 stainless steel are iron alloys. They have 85% 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 1.4424 stainless steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
16 to 23
Fatigue Strength, MPa 350 to 370
150 to 300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 520
370 to 460
Tensile Strength: Ultimate (UTS), MPa 800
590 to 750
Tensile Strength: Yield (Proof), MPa 480 to 500
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 960
740
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
1.9
Embodied Energy, MJ/kg 46
27
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 29
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
140 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21 to 27
Strength to Weight: Bending, points 25
20 to 24
Thermal Diffusivity, mm2/s 3.5
8.1
Thermal Shock Resistance, points 23
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 18 to 19
11.5 to 13.5
Iron (Fe), % 68.6 to 72.4
83.1 to 88.4
Manganese (Mn), % 1.2 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 4.5 to 5.2
0 to 0.75
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants