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S38815 Stainless Steel vs. EN 1.3518 Steel

Both S38815 stainless steel and EN 1.3518 steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 610
630

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 860
420
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 54
20
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 0 to 0.3
0 to 0.050
Carbon (C), % 0 to 0.030
0.93 to 1.1
Chromium (Cr), % 13 to 15
0.9 to 1.2
Copper (Cu), % 0.75 to 1.5
0 to 0.3
Iron (Fe), % 56.1 to 67
96.3 to 97.8
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.1
Nickel (Ni), % 13 to 17
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 5.5 to 6.5
0.45 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030