2205双相不锈钢锻件 - 无锡酒创不锈钢有限公司

2205 duplex stainless steel forgings

fig. beginning " 2205 Duplex Steel " 2205 duplex stainless steel forgings

2205 duplex steel forgings introduction

2205 duplex stainless steel forgings are industrial components manufactured using 2205 duplex stainless steel material through the forging process, which are widely used in demanding environments such as chemical, marine, oil and gas, and heavy machinery due to its superior strength and excellent corrosion resistance. The forging process increases the density and refines the grain structure of the metal, thereby enhancing its mechanical properties and durability.

Types of 2205 duplex steel forgings

flangeless: Used in piping systems to connect various pipe sections or equipment that must withstand high pressure and corrosive environments.
shafts: such as pump shafts and valve shafts, these components require high strength and good corrosion resistance.
pinion (gear wheel): In heavy-duty and high-torque applications, 2205 forgings used as gears can provide additional wear resistance and strength.
connection barcap (a poem)crankshafts: Commonly found in automotive and marine engines, subject to alternating loads and shocks.
Other customized forgings: Customized forgings for specific engineering requirements, such as large structural parts or specially shaped mechanical components.

Advantages of 2205 stainless steel forgings

Excellent corrosion resistance

2205 duplex steel forgings have much higher corrosion resistance than standard austenitic stainless steels such as 304 and 316 due to their high chromium and molybdenum content. It performs particularly well in chloride-containing and seawater environments.

high strength

The yield strength of 2205 duplex steel forgings is about 250MPa, which is twice as high as ordinary austenitic stainless steel, so the wall thickness can be reduced and the weight can be lightened in the design, thus reducing the cost.

Good welding properties

2205 duplex steel forgings have good welding properties and do not require preheating or post heat treatment. However, in order to maintain its excellent corrosion resistance and mechanical properties, it should be properly heat treated after welding.

Good impact resistance

The duplex structure provides higher strength and toughness. The ferrite phase provides good impact resistance, while the austenite phase provides higher ductility and toughness.2205 duplex steel forgings maintain good impact resistance at low temperatures.

Precautions for use

Material Selection: Ensure that the 2205 material used is qualified with the proper chemical composition and microstructure to ensure its duplex nature and corrosion resistance.
Forging process::
- temperature control: Heating and cooling during the forging process must be tightly controlled to avoid any phase changes that could lead to degradation of the material properties.
- deformation rate: Appropriate deformation speed can help to achieve better grain refinement and improve the overall performance of forgings.
reprocess::
- hot treatment (e.g. of metal): Solution annealing is often required after forging to restore the biphasic balance of the material and optimize the mechanical properties.
- machining: Forgings may require further machining to achieve the final size and shape. Attention should be paid to cooling and lubrication during machining to prevent tool wear and material damage.

Application Areas

Duplex Stainless Steel is widely used in several applications due to its excellent mechanical properties and corrosion resistance. The following are some of the major applications of Duplex Stainless Steel: