沧州恒鑫高压管件有限公司-对焊管件，锻制法兰，锻制管件，工厂化预制管

Characteristics and application of stainless steel butt welding flange

Butt welding flange is mainly used to connect pipes with each other. According to the structural type, there are integral flange, l...

Pay attention to the following items when painting carbon steel pipe fittings

The painting of carbon steel pipe fittings shall be carried out in the workshop without wind. The surface of pipe fittings shall be...

Manufacturing essentials of butt welding elbow

The welding rod for butt welding elbow shall be kept dry during use. The titanium calcium type shall be dried at 150 ℃ for 1 hour...