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Stainless Steel 321H Pipes are composed of iron, chromium, nickel, and molybdenum. The addition of titanium stabilizes the material against sensitization during welding and improves the mechanical properties of the resulting alloy. This combination gives it excellent corrosion resistance in various environments and makes it ideal for applications with high temperatures, corrosive conditions, or stress.
321H SS Pipes can be used in various applications due to their excellent corrosion resistance, tensile strength, and formability. Applications include pressure vessels, piping systems, exhaust manifolds, turbochargers, and exhaust systems. Its high-temperature strength and creep resistance make it ideal for heat exchangers and other high-temperature components. This grade of stainless steel also offers excellent weldability, making it suitable for joining pipes in various configurations. Additionally, 321H Stainless Steel pipes provide superior resistance to stress-corrosion cracking and pitting corrosion, as well as general corrosion in many environments.
Analyze the chemical composition of Stainless Steel 321H Pipes detailed in the comprehensive table below.
Grade | C | Mn | Si | P | S | Cr | N | Ni | TI | |
321H | Min | 0.04 | – | – | – | – | 17.0 | – | 9.00 | 4(C+N) |
max | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 19.0 | 0.10 | 12.00 | 0.70 max
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Stainless Steel 321H Pipes showcase controlled levels of carbon, manganese, silicon, phosphorus, sulfur, chromium, nitrogen, nickel, and titanium.
Examine the mechanical attributes of Stainless Steel 321H Pipes presented in the provided table below.
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
321H | 515 | 205 | 40% | 95 | 217 |
Stainless Steel 321H Pipes feature high tensile and yield strengths, substantial elongation, and acceptable hardness.
Investigate the physical characteristics of Stainless Steel 321H Pipes outlined in the comprehensive table provided below.
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
SS 321H | 8000 | 193 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 740 |
Stainless Steel 321H Pipes feature specific density, thermal expansion, conductivity, heat capacity, and electrical resistivity.
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