Production seamless steel pipe Standard A106 A53 A213 A192 A179 A335 Out Diameter 1/2"~10",20mm~273mm Wall Thickness 1.0mm~12mm Material ASTM A106 GRB/ A53 GRB/ API 5L S304 S316 S310 Length 12m,11.8m,6m,5.8m,or as customers required Surface treatment varnish coating or polished Technique Seamless Usage 1. Low and middle pressure fluid transportation pipeline 2. Casing Tube 3. Boiler Pipe 4. Petroleunm and natural gas industry 5. Chemistry industry 6. Electric industry Package 1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.