Stainless steel pipe can be divided into threaded pipe fittings, threaded pipe fittings, pipe, elbow, three links, according to the material can be divided into 304321310 and so on, the production standards are divided into international standard, German standard, American Standard.
1) multilayer welding arc by reflow method, arc crater shall be filled up, banned in the surface of a base material pipes and tubes or arcing arcing. Defects such as holes and cracks should be found at arc or arcing.
2) the protection of argon filling should be carried out on the inner side of the weld.
3) pipe cutting can not be cut by ordinary grinding wheel, and special grinding wheel or plasma should be used.
4) after welding, the pipe should be treated with acid washing and passivation.
5) when the material is suspended, it can not be directly contacted with other metals, and should be added with non metal materials such as board or rubber plate.