不锈钢三通,不锈钢弯头,无缝钢管_河北恒兆机械附件制造有限公司

General welding elbow appearance is depending on the steel pipe and choose different knowledge of welding elbow.

Stamping elbow is the earliest production process of elbow. At present, this process only aims at the production of elbow with large thickness.

When flat-welded flanges are forged at low temperature, the size of the forging piece changes very little.

Advantages of stainless steel reducer pipe: stainless steel reducer pipe is also called big head.