Pipeline: It is the transportation of oil, gas, or water extracted from the ground to oil and gas industry enterprises through pipeline. Pipeline pipes include seamless and welded pipes, with flat ends, threaded ends, and socket ends; The connection methods include end welding, coupling connection, socket connection, etc.
The main materials are L245, L290, L360, L415, L480, and GR B. X42, X46, X56, X65, X70, X80, X100 and other steel grades.
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