-
API 5L PSL1 PSL2 Gr.B X42 X52 X60 Seamless Steel Pipe Line
Okujwayelekile: API SPEC 5L、ISO3183、GB/T9711 IBanga B X42 X52 X56 X60 X65 Nge-PSL1 PSL2;Isicelo: Isetshenziselwa ukuhambisa igesi, amanzi, kanye ne-petroleum ezimbonini zikawoyela negesi yemvelo.
