Photo08/08/10 21:51Hebei,China | carbon seamless boiler tubes 
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The products listed below are our major products: 1.Seamless steel pipe for general construction and high temperature : ASTM A 53 GR.B, ASTM A 106 GR.B. specication O.D:1/2"-28", 21.34 -711.2mm W.T: SCH10S- SCH160 2.Seamless steel pipe DIN2448/1629, DIN17175. Steel Grade: st37, st42, st52, st35.8-st45.8/1, specication O.D: 10mm-120mm W.T: 1mm-15mm. 3.Galvanised steel pipe ASTM A53B, BS 1387/1985, specication O.D:1/2"-6", 21.34 -168.3mm W.T: 1.5mm-20mm.
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