X42 line pipe steel grade for X42 line pipe, line pipe is to put out the ground of oil, gas, water, pipeline through the pipeline to oil and gas industry enterprise. Line pipe including seamless pipe and welded steel pipe, the pipe end with flat end, with threaded end and socket end; Its connection mode for welding, coupling connection, socket connection, etc.
Grade of steel including X42-70, varieties have a land line pipe and seabed pipeline. Line pipe production is currently using micro alloying heat treatment technology, the production cost of stainless steel seamless tube significantly higher than that of welded pipe, and with the improvement of steel grade, such as the above X80 grade pipeline steel tube limits on carbon equivalent, seamless steel tube of conventional technology is difficult to meet user requirements; Now every 12 cr1mov alloy pipe factory in for the improvement of line pipe corrosion resistance, the use of stable performance and low temperature, high temperature environment to carry out the scientific research work.
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