1.Thailand black steel pipe 2.It is used for conveying water, petroleum, gas and other common fluids and common building structures. 3.Steel: gr.A, gr.B 4.Size: 1/8¡¡à-38¡¡à*sch20, sch40, sch60, sch80, sch100, sch120, sch160, xxs 5.Length: 5m-12m random length or 6m fixed, or 11.8m fixed.Cut tollerance +-10mm. 6.Loading:5.8 meters for 20' container, 6 meters to 12 meters for 40' container 7.Packing: Hexagonal bundles of max. 2, 000kg with 6 steel strips bundles, black paint coating, beveld ends or plain.Caps both ends. 8.Delivery tollerance:+-10%, or +-8% or +-5%of total quantity and amount. 9.Black steel pipe test:chemical component analysis, mechanical properties(ultimate tensile strength, yield strength, elongation), technics properties(flattening test, bending test, hardness test, strike test, etc), exterior size inspection, nondestructive test, hydrostatic test. 10.Heat treatment: bk, bks, gbk, nbk, stress relief, normalizing, spheroidize anneal, annealing, bright annealing, normalized, quenched and tempered, solution annealing, etc. 11.Delivery: fob / cfr / cif 12.Delivery port:china main port 13.Payment: tt 30% or 30% prepayment balance by irrevocable lc at sight. 14. Iso certificate, offer material test cetificate en10204.1b, third party inspection sgs, bv, tuv etc. 15.Shipment: prompt 16.Oem (cutings, hot gavanised, thread ends etc.) If you have any interest, please don't hesitate to contact us. We are here for you. Api spec 5l, astm a 106, astm a53, en10216