This part of GB/T 16508 specifies material designation and its standard, basic technical requirements (including steel plate, steel tube, steel forging, steel casting, iron casting, suspender and tension brace, fastener and welding material), application scope (temperature and pressure) and permissible stress allowed to be used for pressure part of shell boiler, as well as material designation and its standard allowed to be used for non-pressure part of shell boiler.
This part is applicable for selection and application of materials for pressure parts and non-pressure parts of the shell boiler as defined in GB/T 16508.1
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 150.2 Pressure Vessels - Part 2: Materials
GB/T 699 Quality Carbon Structural Steels
GB/T 700 Carbon Structural Steels
GB/T 711 Hot-rolled Quality Carbon Structural Steel Plates, Sheets and Wide Strips
GB 713 Steel Plates for Boilers and Pressure Vessels
GB/T 1220 Stainless Steel Bars
GB/T 1221 Heat-resistant Steel Bars
GB/T 1348 Spheroidal Graphite Iron Castings
GB/T 3077 Alloy Structure Steels
GB 3087 Seamless Steel Tubes for Low and Medium Pressure Boiler
GB/T 3274 Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB/T 4338 Metallic Materials - Tensile Testing at Elevated Temperature
GB 5310 Seamless Steel Tubes and Pipes for High Pressure Boiler
GB/T 6394 Metal - Methods for Estimating The Average Grain Size
GB/T 6803 Test method for Drop-weight Test to Determine Nil-ductility Transition Temperature of Ferritic Steels
GB/T 8163 Seamless Steel Tubes for Liquid Service
GB/T 9439 Grey Iron Castings
GB/T 10561 Steel - Determination of Content of Nonmetallic Inclusions-Micrographic Method Using Standards Diagrams
GB/T 11352 Carbon Steel Castings for General Engineering Purpose
GB/T 13298 Metal - Inspection Method of Microstructure
GB/T 16507.2 Water-tube Boilers - Part 2:Materials
GB/T 16508.1 Shell Boilers - Part 1:General Requirements
JB/T 2637 Specification for Pressure-containing Nodular Iron Castings of Boiler
JB/T 2639 Pressure Grey Iron Castings of Boiler - Specification
JB/T 4730.3 Nondestructive Testing of Pressure Equipment Part 3: Ultrasonic Testing
JB/T 9625 Specification for Pressure Retaining Casting of Boiler Pipe Fittings
JB/T 9626 Specification for Boiler Forging
NB/T 47008 Carbon and Low-alloy Steel Forgings for Pressure Equipment
NB/T 47018 Technical Permission of Welding Materials for Pressure Equipment
NB/T 47019 Purchase Technical Specification for Boiler & Heater Exchanger Tubes/Pipes
YB 4102 Welded Steel Tubes for Low and Medium Pressure Boiler
TSG G0001 Boiler Safety Technical Supervision Administration Regulation
3 General Requirements
3.1 Material selection
3.1.1 During material selection, operating conditions (temperature, pressure and environment etc.), material property (mechanical property, process property, chemical property and physical property etc.), fabrication process and economic rationality shall be taken into consideration.
3.1.2 Material specified in this part shall be selected as pressure parts, and material meeting the requirements of GB/T 16507.2 may also be selected, with its application scope of temperature and pressure meeting the requirements of this part and its property meeting the specified standard requirements.
