gb t 9711 l415 pipeline steel factory

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This standard replaces GB/T 9711 2011 "Steel Pipe for Oil and Gas Industry Pipeline Transportation System". And GB/T 9711 2011 In contrast to the editorial changes, the main technical changes are as

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UsesWelded steel pipes for use in pipeline transportation system in the petroleum and natural gas (oil & gas) industries, water pipeline, structural & construction. 7. Chemical Analysis (%):

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SSAW Steel Pipe

Hunan Standard Steel Co. is as the one of member of Husteel Industry Group, as the professional manufacturer of steel pipe and pipe fittings,which has a complete system of production and sales serving our customers.

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