... price and Fast delievery 520-650 USD/Ton pipe line 1.API 5L GRB,X42,X52 PSL1,PSL2 2. ... ,Charpy Impact Test,Metallographic ExaminationFinal Product TestHydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test ,Yeild Strength,Elogation,Hardness ... ,Steel Structure Bridges,Seaports and Docks etc.Productivity2000T/M/Production line Export Canada, USA, Peru, Chile, Colombia, Brazil, India, Malaysia ...