We are leading manufacturer and stockist of API 5L X42 STEEL PIPES in China.API 5L X42 STEEL PIPESTechnical Requirement1. Chemical Composition of API 5L X42 STEEL PIPES SteelCSiMnPSCrCuMoVGradeMaxMaxMaxMaxMaxMaxMaxMaxMaxX420.220.451.30.0250.0150.40.40.150.052. Mechanical Properties of API 5L X42 STEEL PIPES Steel GradeYield StrengthTensile StrengthElongation AMin.(MPA)Min.(MPA)Min.(%)X42290~495415~760As Per Standard3. Tolerance of Size of API 5L X42 STEEL PIPES ItemValueTolerance of OD+/-1%Tolerance of Thickness+5%/-0%Other details of API 5L X42 STEEL PIPESSurface of API 5L X42 STEEL PIPES1.All surfaces have been 100% visually inspected. The surface condition complies with API 5L standards.2.External surface of pipe shall be coated with a layer of varnish.NDT of API 5L X42 STEEL PIPES All pipes will be ultrasonic tested on pipe body and pipe end as per API 5L standards:1.longitudinal: 100% of the pipe surface2.pipe ends not scanned by automatic ultrasonic system shall be inspected by manual UT or Magnetic Particle Examination.Certification and trace-ability of API 5L X42 STEEL PIPES All dimensions will be supplied with a 3.2 certificate according to EN 10204, endorsed by recognized and independent inspection agency. Marking shall be in SI units (x42) accordance with API requirements & mill standard.Dimensional control of API 5L X42 STEEL PIPES All dimensions will be supplied according to API 5L clause 9.11; In addition, the following tolerances apply:1.Pipe body: +/- 0,75%2.Pipe end: +/- 0,5%3.Wall thickness: +15%, -12,5%4.Length: -0 / +100mmPipe Ends of API 5L X42 STEEL PIPES Pipe Ends are beveled. End angle shall be 30°- 0°/+5°, root face shall be 1.6mm +/- 0.8mm and fitted with bevel protectors. Protection of API 5L X42 STEEL PIPES Pipes are varnished on the outside.The types of API 5L X42 STEEL PIPES API 5L PSL1 X42 STEEL PIPES API 5L PSL2 X42 STEEL PIPES API 5L X42 STEEL tubes X42 STEEL PIPES API 5L X42 SEAMLESS PIPES API 5L X42 WEDLED PIPES API 5L X42 LSAW PIPES API 5L X42 SSAW PIPES API 5L X42 ERW PIPES API 5L X42 HFW PIPESONE OF THE KIND, MILLIONS OF CHOICES SUPERIOR QUALITY PROMPT DELIVERY FAVORABLE FEEDBACK ALL AVAILABLE IN PESCO SELECT PESCO, YOU WILL BE RIGHTFor more info and price of API 5L X42 STEEL PIPES, please send us inquiry and you will have quick reply soon.