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EN 1.8151 Steel vs. S44700 Stainless Steel

Both EN 1.8151 steel and S44700 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
82
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
600

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.6
Embodied Energy, MJ/kg 25
49
Embodied Water, L/kg 49
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
21
Strength to Weight: Bending, points 22 to 45
20
Thermal Shock Resistance, points 20 to 58
19

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.010
Chromium (Cr), % 0.4 to 0.8
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 95.9 to 97.2
64.9 to 68.5
Manganese (Mn), % 0.6 to 0.9
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.3 to 1.7
0 to 0.2
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.1 to 0.2
0