GB/T 14383-2021
Forged fittings, socket-welding and threaded (English Version)
- Standard No.
- GB/T 14383-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 14383-2021
- Replace
- GB/T 14383-2008
- Scope
- This standard specifies the variety and code, pressure class, special connection form, connection size, order content, shape, size and tolerance, material, manufacturing, heat treatment, inspection and test, marking, surface of forged socket welding and threaded pipe fittings. Protection and packaging and product quality certificate requirements. This standard applies to forged socket weld and threaded pipe fittings made of steel materials with a nominal size less than or equal to DN100 and a pressure class (Class) of 2000, 3000, 6000 and 9000 in the piping system.
GB/T 14383-2021 Referenced Document
- GB/T 10561 Standard grading chart microscopic examination method for determination of non-metallic inclusion content in steel*， 2023-05-23 Update
- GB/T 11170 Stainless steel .Determination of multi-element contents.Spark discharge atomic emission spectrometric method (Routine method)
- GB/T 13305 Micrographic method for method determining area content of the α-phases in stainless steels
- GB/T 13401 Steel buttwelding pipe fittings—Technical specification
- GB/T 17897 Corrosion of metals and alloys.Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
- GB/T 18253-2018 Steel and steel products—Types of inspection documents
- GB/T 20801.2 Pressure piping code—Industrial piping—Part 2:Materials
- GB/T 222 Permissible tolerances for chemical composition of steel products
- GB/T 226 Test method for macrostructure and defect of steel by etching
- GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
- GB/T 228.2 Metallic materials.Tensile testing.Part 2:Method of test at elevated temperature
- GB/T 229 Metallic materials—Charpy pendulum impact test method
- GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing
- GB/T 4334 Corrosion of metals and alloys－Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels
- GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) Amendment No. 1
- GB/T 6394 Determination of estimating the average grain size of metal
- GB/T 9452 Test method for qualified work zone of heat treatment furnace*， 2023-05-23 Update
- NB/T 47013.3 Nondestructive testing of pressure equipments.Part 3: Ultrasonic testing
GB/T 14383-2021 history
- 2021 GB/T 14383-2021 Forged fittings, socket-welding and threaded
- 2008 GB/T 14383-2008 Forged fittings,socket-welding and threaded
- 1993 GB/T 14383-1993 Forged steel socket welding pipe fittings
