
Cangzhou Huida Pipe line Co., Ltd. is located in the beautiful Cangzhou City which is 120km away from Tianjin port and nearby Bohai Economic Zone, so the transportation is very convenient.We supply two main categories about pipes: seamless steel pipes and welded steel pipes. A. Carbon Steel Seamless Steel Pipe1. Seamless steel pipe for general use: ASTM A 53 GR.B,Steel Grade: SA53B and specification O.D:1/2"-28", 21.34-711.2mm W.T: SCH10S-SCH120; 2. Seamless steel pipe for high temperature: ASTM A 106 GR.B, Steel Grade: SA106B and specification O.D:1/2"-28", 21.34-711.2mm W.T: SCH10S-SCH120;3. Line Pipe: API SPEC 5LSteel Grade: A, B, X42, X46, X52 (PSL1) and specification O.D: 2"-28", 60.3-711.2mm W.T: SCH10S- SCH120;4. Casing Pipe: API SPEC 5CTSteel Grade: J.K.N.L.P (PSL1) Threads: STC, LC, BC and specification: 5"-13-3/8", 127-339.7mm;5. Seamless steel pipe: DIN2448/1629, DIN17175, German standardSteel Grade: st37, st42, st... [
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