4 1/2"Hydrill pH6 Vam Top Tenaris Premium Thread Casing Coupling

• Standard：AISI
• Surface Treatment：Spray-Paint

=== Base Info ===

• Model NO.：4 1,2"
• Manufacturing Process：Forging
• Material：Carbon Steel
• Model Number：API 5CT, Nue, Eue
• Shape：Tubular
• Color：Red, Green,White
• Steel Grade：J55, K55, N80, L80, P110
• Warranty：12 Month
• Transport Package：Woodern Box
• Specification：5 1,2"
• Trademark：SEACO
• Origin：Shandong China
• HS Code：84314310
• Package size per unit product：19.00cm * 13.00cm * 12.00cm
• Gross weight per unit product：9.000kg

=== Description ===

AppearanceSmooth, Uniform color, no bubble, no cracking or contraction cavity, little range peel allowedVisual2Thermal Performance |ΔT g|(ºC )≤ 5Appendix B3cathodic disbanding resistance≤ 6.5Appendix C24h or 48h (mm)4Bonding surface porosity1~4Appendix D5The section void ratio1~3Appendix D6resistance to deflection 3°No crackingAppendix E7Impact Energy (8J)No pin holeAppendix F8Adhesive forcedissection method1~2Appendix Gpull off adhesion (MPa)≥ 20GB/T 52109Electric strength (MV/m)≥ 30GB/T 1408.110Volume resistivity(Ω·m )≥ 1×1013GB/T 141011Salt fog resistance (1000h)No change of anti-corrosion coatingGB/T 1771