... :J55,K55,N80 ect Product Name:pipe for oil field1,Outer Diameter:73mm-630mm2,Thickness:5 ... high-temperature resistant with black or other paintingCommodityOil casing pipe/tubePlace of originTianjin, China(Mainland)StandardAPI 5L ... -45 working daysQualityHigh qualityProductivity1000MT/MonthMOQ5MTApplicationGenerally used in oil casing, conveying gas and oil,chemical industry,etc NoteThe quality of ...