Model Number: SINO-STEEL PIPE-7 Brand Name: SINO SOURCES Key Specifications/Special Features: High quality, best priceStandard:GB/T3091-2001,BS1387-1985, DINEN10025,DIN2440,EN10219, JISG3444:2004, ASTMA53, ASTMA500,API5LSteelgrade: Q235,Q345, S235JR, S275JR,S355, S355JR, S355J2H,STK400, STK50API5L:A,B,X42,X46,X52,X56,X60,X65,X70End:squareends(straightcut,sawcut,andtorchcut).orbeveledforwelding,beveled,Surface:lightlyoiled,hotdipgalvanized,electrogalvanized,black,bare,varnishcoating/antirustoil,protectivecoatings(coaltarepoxy,fusionbondepoxy,3-layersPE)Packing: plasticplugsinbothendswithseveralsteelstrips, twotagsoneachbundle, wrappedin waterproofpaper,PVCsleeve andsackclothwithseveralsteelstrips,plasticcaps.Test:chemicalcomponentanalysis,mechanicalproperties(ultimatetensilestrength,yieldstrength,elongation),technicalproperties(flatteningtest,bendingtest,blowtest,impacttest),exteriorsizeinspection,hydrostatictest,X-raytest.Thirdpartyinspection:SGS,BV,Lloyds