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EN 1.4011 Stainless Steel vs. S44800 Stainless Steel

Both EN 1.4011 stainless steel and S44800 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4011 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17
23
Fatigue Strength, MPa 310
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Tensile Strength: Ultimate (UTS), MPa 700
590
Tensile Strength: Yield (Proof), MPa 510
450

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.8
Embodied Energy, MJ/kg 28
52
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 13
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 6.7
4.6
Thermal Shock Resistance, points 24
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 11.5 to 13.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 82.8 to 88.5
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
3.5 to 4.2
Nickel (Ni), % 0 to 1.0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.025
0 to 0.020