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Q345D Low Alloy Steel Pipe+
ASTM A335 P1 Seamless Alloy Steel Pipe+
GBT8163 Seamless Carbon Steel Pipes+
ASTM A335 P5 Seamless Alloy Steel Pipe+
DIN/EN 1629 Seamless low carbon steel pipe+
API X52 Oil And Gas Carbon Steel Seamless Tube+
API 5L Gr.B Seamless Steel Pipe+
Q245R Welded Steel Pipe+
API 5L Gr.B Carbon Steel Pipe+
