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EN 1.3551 Steel vs. S35315 Stainless Steel

Both EN 1.3551 steel and S35315 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 720
740

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 530
1100
Melting Completion (Liquidus), °C 1490
1370
Melting Onset (Solidus), °C 1450
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.9
5.7
Embodied Energy, MJ/kg 71
81
Embodied Water, L/kg 82
220

Common Calculations

PREN (Pitting Resistance) 18
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 9.8
3.1
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0.77 to 0.85
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 3.9 to 4.3
24 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
33.6 to 40.6
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.2 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0