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Thickness:Sch40,std,sch10,etc. Length:5-12m Material grade:Api 5l gr. B Usage:The oil and gas industry Packing: bundle with steel strips , branding parcel ,wooden box"> Brief:Name：Black steel pipes Section Shape: Round Size:1/2"-8" Thickness:Sch40,std,sch10,etc. Length:5-12m Material grade:Api 5l gr. B Usage:The oil and gas industry Packing: bundle with steel strips , branding parcel ,wooden box
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