... the collection box, steam pipe, etcASTM SA106A106 GRBsteel pipe for fluidApplicable to transmission fluid which are seamless steel tubeASTM ... A106ASTM A53A53 BA106 Bsteel pipe for structureUsed in general structure, engineering scaffolds, mechanicalASTM A53A53 Bpipeline ... to transmit the he oxygen,water and oilAPI 5LA,B,X42,X46,X52,X56,X60,X65,X70,X80ERW STEEL ...