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EN 1.4418 Stainless Steel vs. S13800 Stainless Steel

Both EN 1.4418 stainless steel and S13800 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 20
11 to 18
Fatigue Strength, MPa 350 to 480
410 to 870
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530 to 620
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
980 to 1730
Tensile Strength: Yield (Proof), MPa 540 to 790
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 870
810
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
1090 to 5490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 36
35 to 61
Strength to Weight: Bending, points 26 to 28
28 to 41
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 31 to 36
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 15 to 17
12.3 to 13.2
Iron (Fe), % 73.2 to 80.2
73.6 to 77.3
Manganese (Mn), % 0 to 1.5
0 to 0.2
Molybdenum (Mo), % 0.8 to 1.5
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
7.5 to 8.5
Nitrogen (N), % 0 to 0.020
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.7
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0080