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S44626 Stainless Steel vs. EN 1.4318 Stainless Steel

Both S44626 stainless steel and EN 1.4318 stainless steel are iron alloys. They have 90% 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 S44626 stainless steel and the bottom bar is EN 1.4318 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
44
Fatigue Strength, MPa 230
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 340
520
Tensile Strength: Ultimate (UTS), MPa 540
740
Tensile Strength: Yield (Proof), MPa 350
380

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
280
Resilience: Unit (Modulus of Resilience), kJ/m3 300
360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 25 to 27
16.5 to 18.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
70.2 to 77.4
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Nitrogen (N), % 0 to 0.040
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.2 to 1.0
0