... 3406.0-4020GGB5310 For chemical fertilizer pipe, oil pipe, gas pipe, fluid pipe, boiler pipe and so on. ... thicknessmmFluid pipe140-3406-3020#,Q295,Q345GB/T8163For the transportationOf gas, liquid and powderPipeline tubeL245,L290,L320,L360,L390,L415GB/T9711 ... 40API J55-API P110API5CTUsed for extracting petroleum and natural gas Ductile iron pipe98-12656-17 GB/T13295-91Water ...