TRIO STEEL IS A LEADING MANUFACTURER, SUPPLIER, AND EXPORTER OF API 5L X52 PSL1 PIPE We supply and stock a full range of API 5L X52 PSL1 Pipes. 
All pipes we supply are conforming to industry standards or exceed API, ASTM, ASME, ANSI and other national and international standards. All these pipes are individually covered so that the premium quality of material is retained and there ... https://www.triosteel.com/products/api-5l-pipe/api-5l-psl1-pipes/api-5l-x52-psl1/