Angle flange Standard. Flat flange: Specify hole pat-tern. If no drawing provided, flange will be blank.
角法兰标准。平板法兰:指定孔模。如果没有提供的图纸,法兰将为空白。
The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.
一种钢法兰毛坯加工工艺,尤其是一种平法兰、对焊法兰、预应力管桩端板法兰毛坯加工工艺。
Only when the blank width ratio is confined, can no crosswise tension stress forging be realized, regardless of flat platen stretching or the new FM forging method.
无论是平砧拔长还是新fm锻造法,都要对料宽比加以控制,才能实现横向无拉应力锻造。
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