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S44735 Stainless Steel vs. EN 1.7218 Steel

Both S44735 stainless steel and EN 1.7218 steel are iron alloys. They have 67% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is EN 1.7218 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Tensile Strength: Ultimate (UTS), MPa 630
500 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 180
52

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
18 to 55
Strength to Weight: Bending, points 21
18 to 38
Thermal Shock Resistance, points 20
15 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0.22 to 0.29
Chromium (Cr), % 28 to 30
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.7 to 68.4
96.2 to 98.1
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 3.6 to 4.2
0.15 to 0.3
Nickel (Ni), % 0 to 1.0
0 to 0.3
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0.2 to 1.0
0