Production technology of stainless steel slip on flange By

Stainless steel slip on flange drawing convenience, simple manufacture, low cost, widely used; but less rigid. Therefore, it cannot be used for supply and demand, flammable, explosive and high vacuum degree requirements of chemical process piping system and height, is extremely harmful to the occasions. Seal type plane and surface process.
The forging of stainless steel slip on flange according to the movement of forging die, forging and rotary forging, rotary forging, roll forging, cross wedge rolling, ring rolling and cross rolling etc.. Rotary forging, rotary forging and rolling pendulum ring forging process is also available. With a process or a few steps may complete the fine processing of complex forgings. As a result of the absence of the flying edge, the stress area of the forging is reduced, and the required load is also reduced. But should be careful not to be restricted completely blank, therefore to strictly control the blank size, relative position control of forging die and forging of were measured efforts to reduce die wear. When the temperature is over 300-400 (the blue brittle zone of the steel), the deformation resistance will be reduced sharply, and the deformation can be improved greatly. According to in different temperature regions of forging in forging quality and process requirements of different stainless steel slip on flange can be divided into cold forging, warm forging, hot forging three molding temperature region. There is no strict boundaries of the division of this temperature region, generally speaking, in the region of the temperature of the forging is called hot forging, not heated at room temperature of the forging is called cold forging.
Source: Zhejiang Yaang Pipe Industry Co., Limited (

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