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AISI 440C Stainless Steel vs. EN 1.4006 Stainless Steel

Both AISI 440C stainless steel and EN 1.4006 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 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 AISI 440C 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, % 2.0 to 14
16 to 23
Fatigue Strength, MPa 260 to 840
150 to 300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 430 to 1120
370 to 460
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
590 to 750
Tensile Strength: Yield (Proof), MPa 450 to 1900
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 870
740
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.9
Embodied Energy, MJ/kg 31
27
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
99 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
21 to 27
Strength to Weight: Bending, points 23 to 46
20 to 24
Thermal Diffusivity, mm2/s 6.0
8.1
Thermal Shock Resistance, points 26 to 71
21 to 26

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.080 to 0.15
Chromium (Cr), % 16 to 18
11.5 to 13.5
Iron (Fe), % 78 to 83.1
83.1 to 88.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants