Seamless steel pipe
Seamless steel pipe is a steel pipe made from a whole round steel perforated with no welded seams on the surface, called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, top tube and so on. According to the shape of the section, the seamless steel tube is divided into two kinds of round and shaped, shaped tube has a square, oval, triangular, hexagonal, melon, star, with a variety of complex shapes of the finned tube. Depending on the application, there are thick-walled seamless steel tubes and thin-walled seamless steel tubes. Seamless steel tubes are mainly used as petroleum geological drilling tubes, petrochemical cracking tubes, boiler tubes, bearing tubes as well as high-precision structural steel tubes for automobiles, tractors and aviation.
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Jiangyin South STS Pipe product availability |
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Standard |
Spec |
Product Range, C.R. |
Product Range, C.Drawn. |
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ASTM A213 |
TP304, TP316L, 304L, 317, 317L, 347, 321, duplex S31803、S32205、S32750, and 904L、310S、254MO |
Dia 14mm ~ 630mm； Wall thickness 0.5mm ~ 80mm |
Dia 6mm ~ 813mm； Wall thickness 1.0mm ~ 60mm |
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ASTM A269 |
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DIN |
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JIS |
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EN |
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UNS |
