1 production process: seamless & erw 2 specification: api 5ct /5b 3 out diameter: 2 3/8" - 4 1/2" (60.3mm-114.30mm) 4 thread: eue ( exteral upset end), nue ( non upset end) 5 length:r1( 6.10-7.32m ), r2( 8.53-9.75m), r3(11.58-12.80m)) 6 steel grade: h-40, j55, k-55, n-80, l-80, p110, q-125 7 surface:corrosion proofing water based paint 8 heat treatment:normalized, quencher+temper 9 loading: Pipe length less than 5.8m (20 feet container) Pipe length less than 11.8m (40 feet container) Pipe length more than 11.8m (bulk shipment) In bundles with steel strips , then wrapped in nylons or in bulk as per the loading requirements