... 17172 StE 290.7 steel plate/
pipes for large diameter
pipes StE 290.7 steel plate/
pipes, under DIN 17172 standard, we can ... Steel for large diameter
pipes, DIN 17172 StE 290.7 steel used for pressure liquid transport, oil,
gas, water and other liquid ... engineering, ductwork, construction, steel pipe and oil and
gas project which use
pipes. Shanghai Katalor Enterprises Co., Ltd Email:
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