As a professional manufacturer,we supply high-quality seamless tube and pipe for nuclear & thermal power plants,high-pressure boiler,petroleum and petrochemicals,high-pressure gas cylinder,military industry,alloy structures,with Diameter 20~1200mm,wall thickness 2.11~200mm,length 4~12m,The annual production capacity is 250,000tons. Seamless Steel Pipe, Carbon Seamless Steel Pipe(CS), Stainless Seamless Steel Pipe(SS) and Other Pipe Fittings Top quality â??â?? Hydralic Test, X-ray, Offer-line UT, Eddy Current Inspection, etc, 3rd party inspection to test. Fast delivery â??â?? Many sets of advanced production equipment to produce, as well as perfect logistics system. Timely quotation â??â?? professional sales quote for you after receive your inquiry. Certificate share â??â?? MTC, ISO, Inspection Report and other quality certification. Used for oil and gas transportation, the general structure, mechanical structure. Specification of Seamless steel pipe: 1) Standard: DIN, ASTM, API, JIS 2) Wall Thickness: from 2 to 200mm 3) Outer Diameter: from 20 to 1200mm 4) Grade:ST35.8, ST37, ST42, ST45, ST52, API 5L /GR.B-X60, API 5CT /J55 K55 N80, A53, A106, A192, A179, A210, and etc. 5) Surface Coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer's request. Our factory and product photos: