... Automatic UT continuous testing machine etc. We supply steel pipe more than 600,000 tons annual based ... X42,X46,X56,X65,X70ASTM A53 GRADE A,GRADE BASTM A252 GRADE 1,GRADE 2,GRADE 3EN:S235JR,S235J0H,S235J2H,S275, ... per customers requirementTestChemical Component Analysis,Mechanical Properties(Utimate Tensile Strength,Yield Strength,Elongation),Technical Properties(Flattening Test,Bending Test,Blow Test ...