Hebei Borun Petroleum Pipe Manufacturing Co., Ltd is based in China and lists a range of steel pipe and tube products on Global Trade Plaza. The catalog includes galvanized steel pipes, hollow section tubes, rectangular tubes and seamless line pipes. Galvanized items are offered in hot-dipped, pre-galvanized and cold-dipped finishes with zinc coatings from 10 g/m² up to 500 g/m². Sizes run from 1/2 to 24 inches (21.3 mm to 610 mm) in round, square, rectangular and oval sections, with wall thicknesses covering SCH10 through XXS. Steel grades listed include A106, A53, A179, A192, Q195/Q215/Q235/Q345, ST37/44/52, S355, S235 and S275. Standards referenced are BS1387, ASTM A53/A106/A500, API 5L, GOST 8731/8732, JIS G3457, EN 10255/10219, GB/T 13912, EN 39, EN ISO 1461, DIN 2391, IS 2062 and AS/NZ 4680. Hollow section and rectangular tubes are available in dimensions from 20 mm × 20 mm up to 1000 mm × 1000 mm (square) and 20 mm × 30 mm up to 600 mm × 1000 mm (rectangular), with thicknesses of 2 mm to 35 mm and lengths of 6 m to 12 m. Grades include Q195, Q235, Q345 (16Mn), STKR400/490, A500, ST37/44/52, S235, S275 and S355, meeting standards such as DIN EN 10210, EN 10219, GB/T 3094-2000, ASTM A500, JIS G 3466 and GB/T 6728-2002. Seamless line pipes are supplied in hot-rolled (88.9–508 mm), hot-expanded (457–914.4 mm) and cold-drawn (10.3–73 mm) ranges, in grades such as 20#, Q345, A106/53B, A179, S275, S355, GR.B/X42/X46/X56, ST44/37, A500 and J55–P110, to API 5L, API 5CT, ASTM A53/A106/A179/A500/A501, JIS G3441/G3444/G3454 and DIN 10210/10219/17175. Buyers can send an enquiry through Global Trade Plaza.