... pipe Applies to oil, aviation, metallurgy, food, water conservancy,electric power, chemical industry,Chemical, chemical fiber, pharmaceutical machinery, etcASTM A213ASTM ... pipe, etcASTM SA106A106 GRBsteel pipe for fluidApplicable to transmission fluid which are seamless steel tubeASTM A106ASTM A53A53 BA106 Bsteel pipe ... T5037-2000A53A333 GR6 Spiral steel pipe for low-pressure fluid transport service