Is the hole of the automobile exhaust pipe made before or after welding?_Stainless Steel Pipe Making Machine_High Frequency ERW Tube Mill_Weld Pipe Equipment Production Line_Roll Set Mold_Roller Die Mould_Cold Rolling Mill

Is the hole of the automobile exhaust pipe made before or after welding?

Publisher:Gxiug Addtime:6/11/2020 9:37:12 AM Views:

Hello, for the processing of stainless steel automobile exhaust pipe, under normal circumstances, the customer will first process the holes in the steel belt, and then welding into the pipe. For some powerful manufacturers, they will first produce pipes, and then use laser machine to drill holes in the pipes, but the cost will be much higher, after all, there are many holes in the exhaust pipe.

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