Wholesale Price Copper - Civil Threaded Flange – JINBAICHENG

Production standards

National standard: GB/T9112-2010 (GB9113·1-2010～GB9123·4-2010)
Ministry of Chemical Industry Standards: HG5010-52～HG5028-58, HGJ44-91～HGJ65-91, HG20592-2009 series, HG20615-2009 series
Ministry of Machinery Standards: JB81-59～JB86-59, JB/T79-94～JB/T86-94, JB/T74-1994
Pressure vessel standards: JB1157-82～JB1160-82, NB/T47020-2012～NB/T47027-2012, B16.47A/B B16.39 B16.

Flange production process:
The forging process generally consists of the following procedures, namely, selecting high-quality steel billets for cutting, heating, forming, and cooling after forging. The forging process methods include free forging, die forging and membrane forging. During production, choose different forging methods according to the quality of the forgings and the number of production batches.

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Scope of application

Because the flange has good comprehensive performance, it is widely used in basic projects such as chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, electric power, aerospace, shipbuilding, etc.