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Hebei Zhonghai Steel Pipe Manufacturing Corporation (China Zhonghai Group) are specialized in seamless pipe,welded pipe and spiral pipes. our product as follows:DIAMETER: seamless pipe 1/4"---30"(13.7mm--762mm)
welded pipe 1"---80" (33.4mm--2020mm)
Spiral pipe 8"---150" (219mm--3500mm)WALL THICKNESS: SCH10---SCH160(1.24mm--60mm)USAGE: Applicable to transport liquid, gas, oil etc.Steel Grade: API 5L: Gr.B X42 X46 X52 X56 X60..
GB/T 8163:10# 20# 35# 16MN(Q345) GB 3087:10# 20# 35# 45# 16MN(Q345B) GB 5310:20G 12Cr1MoV 12Cr1MoG 12CrMoG ASTM A106/53:Gr.A Gr.B Gr.C DIN 1629: St 37.0 St 44.0 St 52.0 DIN 17175: St35.8 St45.8 17Mn4 17Mn5 15Mn5 15Mo3 13CrMo910
EN10240:S235JO S235JR S355JR
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