Gas Collector Pipe / Concentrated Pipe / Concentrated Manifold Pipes are mainly used in Petrochemical, Fertilizers, Oil fields. Specification of Gas Collector Pipe / Concentrated Pipe / Concentrated Manifold Pipes :- Materials: Stainless steel,Alloy steel,Carbon Steel whcih can be used per customers' requirements;- Type: Seamless kind;- Can be produced per ANSI,ASME,API 5L,DIN,JIS,BS standards;- ...