Stainless Steel 330 Pipes11
Stainless Steel 330 Pipes
Stainless Steel 317LN Pipes1
Stainless Steel 317LN Pipes

Instruction of Stainless Steel 321 Pipes

Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness.

Stainless Steel 321 Pipes7
Stainless Steel 321 Pipes
Stainless Steel 321 Pipes8
Stainless Steel 321 Pipes
Stainless Steel 321 Pipes9
Stainless Steel 321 Pipes
Stainless Steel 321 Pipes10
Stainless Steel 321 Pipes

Features of Stainless Steel 321 Pipes

1. Stainless Steel 321 Pipe General Properties:

Alloy 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version of the alloy. It was developed for enhanced creep resistance and for higher strength at temperatures above 1000oF (537°C). In most instances, the carbon content of the plate enables dual certification.

Alloy 321 cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices.

2. Stainless Steel 321 Pipe Corrosion Resistance:

  • exhibits good general corrosion resistance that is comparable to 304.
  • developed for use in the chromium carbide precipitation range of 1800 – 1500°F (427 – 816°C) .
  • can be used in most diluted organic acids at moderate temperatures .
  • can be used in pure phosphoric acid at lower temperatures.
  • can be used in up to 10% diluted solutions at elevated temperatures.
  • resists polythionic acid stress corrosion cracking in hydrocarbon service.
  • utilized in chloride or fluoride free caustic solutions at moderate temperatures.
  • does not perform well in chloride solutions, even in small concentrations, or in sulfuric acid service.

3. Stainless Steel 321 Pipe Hot Forming:

  • Working temperatures of 2100 – 2300°F (1149 – 1260°C) are recommended for forging, upsetting and other hot working processes.
  • Alloy not suitable for work at temperatures below 1700°F (927°C).
  • Material must be water quenched or fully annealed after working to re-attain maximum corrosion resistance.

4.Stainless Steel 321 Pipe Cold Forming:

  • Quite ductile and forms easily.

5.Stainless Steel 321 Pipe Welding:

  • Readily welded by most standard processes.
  • Post weld heat treatment is not necessary

Marking and packaging of Stainless Steel 321 Pipes

The packaging of our products (eg. weathered corrugated steel, weathering corrugated steel,corten steel columnl,hot rolled stainless steel plate) ensures that they will not be damaged during transport. For export purposes, the usual export packaging is done in wooden crates or crates. All hr sheet metal, plates and coils are marked with a logo (company mark), grade, size and batch number. On request, we can customise the marking on the product,such as spcc cold rolled steel.


The Applications of Stainless Steel 321 Pipes

  • Measuring, control and monitoring systems in the Chemical and Petrochemical Industries
  • Shipbuilding
  • Offshore Industries
  • Paper and Pulp Industries
  • Construction
  • Architectural
  • Decorative
  • Vehicle Construction
  • Food processing
  • Mechanical Engineering
  • Roller and conveyors
  • Medical
  • Street furniture
  • Storage and handling
  • An array of other applications

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