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...API 5L Hot DIP Cold Rolled Mild Steel ERW Spiral Welded Alloy Round Black Carbon Pipe/Tube Product Description Carbon steel is an iron alloy with carbon content ranging from 0.0218% to 2.11%.It should be used to manufacture bridges, ships, vehicles, high pressure vessels,large steel structures ,automobile,buildings, machinery, other manufacturing industriesand ,construction, light industry, automobile, agriculture, animal

...harmful gas separated by liquid and gas separator in the process of oil drilling to eliminate its harm to the environment and human and animal safety. In addition to the use of drilling fluid gas separator, oil refineries and gas transmission stations are