Technique:Cold Drawn or Hot Rolled Thread type:STC,BTC,LTC 1>Surface Treatment:light-oiled, black painting , hot galvanizing, sand blasting, FBE, 2PE, 3PE etc 2>Grade: Q235, Q235, Q345, A53, L245, L290, API 5L GR B, X42 ,X46, X70, S355, S275, S235 3>Outer Diameter: 219.1 mm 2540mm (8?³ -100?³) 4>Thickness: 6~25mm Details of surface treatment:: Single-Layer FBE Coating: SY/T 0315-2005, CAN/CSA Z245.20-2010, DEP 31.40.30.32-Gen-2011, ISO 21809-2-2007, API RP 5L9-2001 Double-Layer FBE Coating: Q/CNPC 38-2002, CAN/CSA Z245.20-2010 2LPE/2LPP Coating: SY/T 0413-2002, GB/T 23257-2009, ISO 21809-1-2009 3LPE/3LPP Coating: SY/T 0413-2002, GB/T 23257-2009, DIN 30670-1991, CAN/CSA Z245.21-2010, ISO 21809-1-2009, NF A49-711-1992, NF A49-710-1988 Insulation Coating: SY/T 0415-1996, CJ/T 114-2000, EN 253-1994 5>TPI: Third Party Inspection can be arranged before shipment. ( like SGS, BV, MOODY, CCIC) 6>End: Plain, Beveled 7>Packing:in bulk due to big sizes 8>Delivery Time:15-25 days after we received the deposit. 9>Payment Terms:T/T,L/C AT SIGHT or other item are allowed If you have any interest, please don't hesitate to contact usã Feel free to contact us if any further questions,we will serve you as soon as possible.