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S21800 Stainless Steel vs. EN 1.1147 Steel

Both S21800 stainless steel and EN 1.1147 steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 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 S21800 stainless steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
12 to 17
Fatigue Strength, MPa 330
180 to 250
Poisson's Ratio 0.28
0.29
Reduction in Area, % 62
63 to 73
Shear Modulus, GPa 75
73
Shear Strength, MPa 510
280
Tensile Strength: Ultimate (UTS), MPa 740
390 to 470
Tensile Strength: Yield (Proof), MPa 390
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 390
210 to 370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
14 to 17
Strength to Weight: Bending, points 24
15 to 17
Thermal Shock Resistance, points 17
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.19
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.1 to 65.4
98.3 to 99.25
Manganese (Mn), % 7.0 to 9.0
0.6 to 0.9
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025