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Welded steel pipe

Commodity: Welded steel pipe
Standard: GB3091-2001 GB9711.1 GB9711.2 API5L API 5CT
Grade steel: Q235B/Q345B/L245/L290/L360/L415/L485/20# API 5L.B/X42/X52/X60/X70
Specification: According to standard
Price: Negotiate
Application: Used in oil, gas and other liquid pipe system. It can be applicated in ocean construction and chemical factory

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