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Company name: wuxi tianfeng metal products co. LTD 

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What are the characteristics of forgings compared with castings

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What are the characteristics of forgings compared with castings

Release date:2019-03-04 Author: Click:

What are the characteristics of wuxi forgings compared with castings

The microstructure and mechanical properties of metals can be improved after multiple machining. The cast microstructure is deformed by multiple hot working methods due to metal deformation

Shape and recrystallization make the original coarse dendrites and columnar grains become fine and uniform equiaxed recrystallization structure, and make the original segregation, porosity, porosity, slag inclusion compaction and welding in the ingot become more compact, and improve the plasticity and mechanical properties of the metal. Generally speaking, the mechanical properties of castings are lower than those of forgings of the same material. In addition, the forging process can ensure the continuity of the metal fiber structure, so that the fiber structure of the forgings and the shape of the forgings remain consistent, such as the crank, hook, rudder, etc., are formed after the billet, through the bending process. Metal flow line integrity, thus ensuring good mechanical properties and long service life.

The technology of forging and pressing develops rapidly, and the precision of forging is constantly improved, especially precision die forging, cold extrusion, warm extrusion, etc., which are incomparable to castings. When the valve body of the valve adopts casting process production, as the working pressure increases, the yield of the valve body is only 10%-20%, mainly the high-pressure leakage of the casting valve body, the valve body is discarded as useless, and the forged valve body produced by multi-direction die forging process is 100% qualified.

Forgings of special materials produced by our company include: Carpenter42 (4 j42), HastelloyC - 276, Incoloy800, Incoloy825, Inconel600, Inconel625, Inconel718, GH2132, Monel400, Monelk500, Nickel200, Nickel201, duplex stainless steel F51 (S31803), the F60 (2205), F53 (2507), precipitation hardening stainless steel four ph (630), 17-304304 stainless steel L, 321316316 L, 317 L, 904 L, 0 cr13, 1 cr13, 2 cr13 and 3 cr13, 20 # carbon steel, 45 #, 40 cr, 42 crmo, A105, etc. For the production of various ring forgings, flange forgings, cylindrical forgings, shaft forgings, valve body forgings, seat forgings, bonnet forgings.


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