... ASTM A53 hot-rolled seamless steel pipe 1: Size:1/2-48" 2: Standard: ASME B16.9, API 5L, ASTM A106/ ... power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, etc.Surface Hot galvanized, Cold galvanized, Painted black, varnish ... and long pipeline transportation projects.3.ends: 2" below plain ends; 2"above beveled ends4.Packaging:Hexagonal shape bundles wrapped ...