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S21900 Stainless Steel vs. EN 1.1147 Steel

Both S21900 stainless steel and EN 1.1147 steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
12 to 17
Fatigue Strength, MPa 380
180 to 250
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
63 to 73
Shear Modulus, GPa 78
73
Shear Strength, MPa 510
280
Tensile Strength: Ultimate (UTS), MPa 710
390 to 470
Tensile Strength: Yield (Proof), MPa 390
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 380
210 to 370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
14 to 17
Strength to Weight: Bending, points 23
15 to 17
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 15
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.080
0.15 to 0.19
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.4 to 67.4
98.3 to 99.25
Manganese (Mn), % 8.0 to 10
0.6 to 0.9
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025