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EN 1.4318 Stainless Steel vs. S35500 Stainless Steel

Both EN 1.4318 stainless steel and S35500 stainless steel are iron alloys. They have a very 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4318 stainless steel and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
14
Fatigue Strength, MPa 340
690 to 730
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520
810 to 910
Tensile Strength: Ultimate (UTS), MPa 740
1330 to 1490
Tensile Strength: Yield (Proof), MPa 380
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 910
870
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 39
47
Embodied Water, L/kg 130
130

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 360
3610 to 4100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
47 to 53
Strength to Weight: Bending, points 23
34 to 37
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 17
44 to 49

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 16.5 to 18.5
15 to 16
Iron (Fe), % 70.2 to 77.4
73.2 to 77.7
Manganese (Mn), % 0 to 2.0
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 6.0 to 8.0
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0.1 to 0.2
0.070 to 0.13
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030