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EN 1.4006 Stainless Steel vs. S42010 Stainless Steel

Both EN 1.4006 stainless steel and S42010 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4006 stainless steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 23
18
Fatigue Strength, MPa 150 to 300
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 370 to 460
370
Tensile Strength: Ultimate (UTS), MPa 590 to 750
590
Tensile Strength: Yield (Proof), MPa 230 to 510
350

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 740
800
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
29
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
30
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 13
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
21
Strength to Weight: Bending, points 20 to 24
20
Thermal Diffusivity, mm2/s 8.1
7.9
Thermal Shock Resistance, points 21 to 26
21

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.15 to 0.3
Chromium (Cr), % 11.5 to 13.5
13.5 to 15
Iron (Fe), % 83.1 to 88.4
80.9 to 85.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0 to 0.75
0.35 to 0.85
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 0.030