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S44537 Stainless Steel vs. EN 1.4418 Stainless Steel

Both S44537 stainless steel and EN 1.4418 stainless steel are iron alloys. They have a moderately high 91% 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 S44537 stainless steel and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
16 to 20
Fatigue Strength, MPa 230
350 to 480
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 320
530 to 620
Tensile Strength: Ultimate (UTS), MPa 510
860 to 1000
Tensile Strength: Yield (Proof), MPa 360
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 530
410
Maximum Temperature: Mechanical, °C 1000
870
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 50
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 26
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 320
730 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
31 to 36
Strength to Weight: Bending, points 18
26 to 28
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 17
31 to 36

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 20 to 24
15 to 17
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
73.2 to 80.2
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0 to 0.020
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.0060
0 to 0.015
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0