... A106, JISG3452, JISG3454, DIN1629, API5L Surface:Oiled or black paintcarbon steel seamless pipe1 Seamless pipe ApplicationLow and middle pressure fluid transportation ... packing:in Bundles, covered with plastic woven bag, strapped by steel strip,Plastic caps at ends.Marking:as per customer's ... .Painting: varnish coating or as the client's request seamless carbon steel concrete pump pipe