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S44735 Stainless Steel vs. EN 1.1221 Steel

Both S44735 stainless steel and EN 1.1221 steel are iron alloys. They have 66% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
10 to 21
Fatigue Strength, MPa 300
240 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
72
Shear Strength, MPa 390
450 to 520
Tensile Strength: Ultimate (UTS), MPa 630
730 to 870
Tensile Strength: Yield (Proof), MPa 460
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 520
410 to 800
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
26 to 31
Strength to Weight: Bending, points 21
23 to 26
Thermal Shock Resistance, points 20
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.030
0.57 to 0.65
Chromium (Cr), % 28 to 30
0 to 0.4
Iron (Fe), % 60.7 to 68.4
97.1 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 3.6 to 4.2
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.4
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