Welded steel tubesO.DO.D toleranceW.TThickness Tolerance21.3-219.1MM�.1mm1.4-8.5MM�.1mmLength2--12M , according to customers' requirementsInternational StandardISO 9001-2000Zinc coating 240-400g/m2StandardASTM A 53 / BS 1387/GB/T 3091-2001MaterialQ195/Q215/Q235/Q345Package1. Big OD: in bulk2. Small OD: packed by steel strips3. Woven cloth with 7 slates4. Accordion to Customer's requirementProcessing technology available:Threading , coupling and with plastic caps protected etc.Place of OriginChinaApplicationliquid delivery, construction, communication, gas,etc.Remarks 1) Payment term :L/C, T/T2) Minimum quantity of order :10 Tons3) Delivery period : Within 20 Days .Contact infoTel/Fax:+86-15222629581
