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steel pipe Material: A53 GRB, A 106 GRb, A 106C, A333, ASTM A 210, ST37, ST42 ,STPY 41 , A312, ect. OD:1/4'' - 48'' Lengthaccording to customers requirements(usually 5.8m, 6m,11.8m) Wall thickness: sch10,sch20,sch30sch160 or special size Standard:ASTM / API/ GB/ JIS/ DIN ect. Surface Treatment: Anti-corrosion, black painting,ect. Use:Oil development, water transpot, boiler use, building, machinery, traffic, smelting, foodstuff, power, paper making, chemical, medical equipment, aviation, ect. Packing: 6 steel strip ,bundles ,caps ,plastic wrap ,in bulk,seeworthy packing or as customers requirements. Min order quantity:1piece Payment term:LC,TT or DP All the production process are made under the ISO9001-2000 strictly. If you are interested in our products,Pls feel free to contact us.My name is Paul.Your inquires will be appreciated.