Model Number: sino004-#5306 Brand Name: sino sources Key Specifications/Special Features: API 5L GR B schedule 40 seamless steel pipe for hot sale MaterialA53 GR.B, A36, ST52, ST35, ST42, ST45, X42, X46, X52, X56, X60, X65, X70 Size 1/2"—48" (DN15mm-1200mm) Standard API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A179/A192, ASTM A513-2007, ASTM A671-2006, ASTM A672-2006, BS EN10217, BS EN10296, BS EN 39, BS 6323, DIN EN 10217-1-2005 Certificates API5L, ISO 9001:2008, SGS, BV, CCIC. Wall thickness SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS Surface Treatment black paint, varnish, oil, galvanized, anti-corrosion coated. Pipe Ends Under2 inch plain end. 2 inch and above Beveled. Plastic caps (small OD). Iron protector (large OD).