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Standard specification for welded and seamless steel pipe

The latest inquiries in steel pipes have proved that some clients have interest on the detailed difference on standard specification on welded and seamless steel pipe. Today, we will make a list for the comparison for them.  

 

Scope of steel tubes: It contains nominal thickness of the wall steel pipe. Thus, there is difference for welded and seamless steel pipeline, for example, the steel cylinder acting as permanent load-carring member.

Materials and Manufacture: For seamless steel pipe, there is the production process such as seamless electric resistance welded, flash welded, or fusion welded. However, it would be longitudinal, helical-butt or helical-lap for welded steel pipe.

Steel Fabrication process: Varies from open-hearth, basic-oxygen or electric-furnace, different steel pipelines will follow the various process for suitable working situation.