1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105, S135 3) Type of end finish: EU-external upset, IEU-internal & external upset 4) All drill pipe are made according to API 5D 5) We can provide in many conditions, with or without hard banding (Arnco100, Arnco300, tungsten carbide etc). ProductChina Supplier oil casing drilling pipe Black Steel Tube/pipe StandardEN10305/DIN2391 ISO4394/1-1980 GB/T8713-88 MaterialChina20# 45#(CK45) 16Mn(ST52) 25Mn 27SiMn etc. GermanSt42-2 DIN1626,St45-8 DIN17175,St45-4 DIN1629,CK45,St52 DIN1629 AmericanASTM A 53-B,ASTM A106-B,ASTM A178-C,ASTM A1045,ASTM A210-C etc. Length as your requirements max: 14m/45.9feet Surface treatmentBlack painting, black varnish, transparent oil, hot galvanized, 3PE, epoxy coating,BE,PE.etc. Technique Seamless & welded cold drawn /cold rolling /honing Usage 1.hydraulic cylinder /pneumatic cylinder 2. Low and middle pressure fluid transportation pipeline 3.Casing Tube 4.Boiler Pipe 5. Petroleunm and natural gas industry 6.Chemistry industry 7.Electric industry Package 1. Bundle packing. 2. Bevelled end or plain end or warnished as your required. 3. Painting varnish coating on the pipe. 4. Plastic caps at ends. MOQas your needs