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S44800 Stainless Steel vs. EN 1.4002 Stainless Steel

Both S44800 stainless steel and EN 1.4002 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is EN 1.4002 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
19
Fatigue Strength, MPa 300
160
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 370
310
Tensile Strength: Ultimate (UTS), MPa 590
500
Tensile Strength: Yield (Proof), MPa 450
260

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 42
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 480
170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.6
8.1
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.010
0 to 0.080
Chromium (Cr), % 28 to 30
12 to 14
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
83.6 to 87.9
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015