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EN 1.4938 Stainless Steel vs. S44535 Stainless Steel

Both EN 1.4938 stainless steel and S44535 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 EN 1.4938 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
28
Fatigue Strength, MPa 390 to 520
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 540 to 630
290
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
450
Tensile Strength: Yield (Proof), MPa 640 to 870
290

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
1000
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.4
Embodied Energy, MJ/kg 47
34
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
16
Strength to Weight: Bending, points 26 to 29
17
Thermal Diffusivity, mm2/s 8.1
5.6
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 80.5 to 84.8
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.4 to 0.9
0.3 to 0.8
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2
Vanadium (V), % 0.25 to 0.4
0