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S44800 Stainless Steel vs. EN 1.4150 Stainless Steel

Both S44800 stainless steel and EN 1.4150 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 33 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 S44800 stainless steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 370
460
Tensile Strength: Ultimate (UTS), MPa 590
730
Tensile Strength: Yield (Proof), MPa 450
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
23
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 52
42
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 42
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
470
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 4.6
6.2
Thermal Shock Resistance, points 19
27

Alloy Composition

Carbon (C), % 0 to 0.010
0.45 to 0.6
Chromium (Cr), % 28 to 30
15 to 16.5
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
79 to 82.8
Manganese (Mn), % 0 to 0.3
0 to 0.8
Molybdenum (Mo), % 3.5 to 4.2
0.2 to 0.4
Nickel (Ni), % 2.0 to 2.5
0 to 0.4
Nitrogen (N), % 0 to 0.020
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
1.3 to 1.7
Sulfur (S), % 0 to 0.020
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4