Область применения

1.1 This specification covers a group of requirements which, with the exceptions of 4.3 and Sections 5, 6, 17, 18, 19, 20, 21, 22, and 23, are mandatory requirements to the following ASTM tubular product specifications:

Title of SpecificationASTM DesignationSeamless Low-Carbon and Carbon-Molybdenum Steel Still Tubes for Refinery Service A 161Electric-Resistance-Welded Carbon Steel and Carbon Manganese Steel Boiler TubesA 178/A 178M Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes A 179/A 179MSeamless Carbon Steel Boiler Tubes for High-Pressure ServiceA 192/A 192M Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger and Condenser TubesA 199/A 199M Seamless Intermediate Alloy-Steel Still Tubes for Refinery ServiceA 200 Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater TubesA 209/A 209M Seamless Medium-Carbon Steel Boiler and Superheater TubesA 210/A 210M Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes A 213/A 213MElectric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser TubesA 214/A 214M Electric-Resistance-Welded Carbon Steel Boiler and Superheater Tubes for High-Pressure ServiceA 226/A 226MWelded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser TubesA 249/A 249M Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes A 250/A 250MSeamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service A 268/A 268M Seamless and Welded Austenitic Stainless Steel Tubing for General ServiceA 269 Seamless and Welded Austenitic Stainless Steel Sanitary TubingA 270 Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery ServiceA 271 Seamless and Welded Carbon and Alloy-Steel Tubes forLow-Temperature Service A 334/A 334M Seamless and Electric-Welded Low-Alloy Steel Tubes A 423/A 423MElectric-Resistance-Welded Coiled Steel Tubing for Gas and Fuel Oil Lines A 539 Seamless Cold-Drawn Carbon Steel Feedwater Heater TubesA 556/A 556MElectric-Resistance-Welded Carbon Steel Feedwater Heater TubesA 557/A 557M Welded Austenitic Stainless Steel Feedwater Heater TubesA 688/A 688M Seamless Medium-Strength Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes A 692Austenitic Stainless Steel Tubing for Breeder Reactor Core ComponentsA 771Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service A 789/A 789MWelded Unannealed Ferritic Stainless Steel TubingA 791/A 791M Welded Ferritic Stainless Steel Feedwater Heater Tubes A 803/A 803M Seamless, Cold-Drawn Carbon Steel Tubing for Hydrau-lic System ServiceA 822Austenitic and Ferritic Stainless Steel Duct Tubes for Breeder Reactor Core ComponentsA 826High-Frequency Induction Welded, Unannealed Austenitic Steel Condenser TubesA 851 ^A These designations refer to the latest issue of the respective specifications.

1.2 One or more of Sections 4.3, 5, 6, 17, 18, 19, 20, 20.1, 22, and 23 apply when the product specification or purchase order has a requirement for the test or analysis described by these sections.

1.3 In case of conflict between a requirement of the product specification and a requirement of this general requirement specification only the requirement of the product specification need be satisfied.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation (SI) of the product specification is specified in the order.