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GB/T 8163-2008 Seamless Steel Pipe for Fluid Transportation,SHENGTIAN GROUP HEBEI SENHAI PIPELINE CO., gb t 27simn pipe 2.5mm~60mm; Material 10# 20# 45# 27SiMn Q345B(16Mn) Q345C; It is the regular seamless steel used for the transportation of water, oil gb t 27simn pipe - GB/T 3077 43CrMo Alloy Steel SupplierGB/T 8163-2008 Seamless Steel Pipe for Fluid Transportation,SHENGTIAN GROUP HEBEI SENHAI PIPELINE CO., gb t 27simn pipe 2.5mm~60mm; Material 10# 20# 45# 27SiMn Q345B(16Mn) Q345C; It is the regular seamless steel used for the transportation of water, oil

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GB/T 8163-2008 Seamless Steel Pipe for Fluid Transportation,SHENGTIAN GROUP HEBEI SENHAI PIPELINE CO., gb t 27simn pipe 2.5mm~60mm; Material 10# 20# 45# 27SiMn Q345B(16Mn) Q345C; It is the regular seamless steel used for the transportation of water, oil

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