... Pipe Standard : API, SPEC,GB9984 Thickness :1.5-40mm Out diameter :10-530mm Length :5-12m Specifications10# Oil Cracking Pipe Standard : API, ... SPEC,GB9984 Thickness :1.5-40mm Out diameter :10-530mm Length :5-12m Product name10# Oil Cracking Pipe/Tube ... Standard API, SPEC,GB9984 Grade 10#,20#,12CrMo,15CrMoThickness 1.5-40mmThe specifications can be produced according to ...