Hebei Qianding Pipe Fitting Manufacturing Co., Ltd. |
ASTM A403 Threaded Pipe Fitting Coupling
Description:
A method of forging with certain mechanical properties, shape and size by applying pressure to metal blank and making it produce plastic deformation. Through the continuous beating of pipe fittings, the original segregation, porosity, porosity and slag in the ingot are compacted and welded
Specifications:
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