Detail of GB/T 1174-2022

Introduction of GB/T 1174-2022

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization — Part 1: Rules for the structure and drafting of standardizing documents. This standard replaces GB/T 1174-1992 Cast bearing alloy. In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB/T 1174-1992: a) The scope has been modified (see Clause 1 herein and Clause 1 of 1992 edition); b) The alloy designation representation method has been modified (see Clause 4 herein and Clause 3 of 1992 edition); c) The chemical composition of the cast bearing alloy has been changed (see 5.1 herein and 4.1 of 1992 edition); d) Mechanical properties of cast bearing alloy have been added (see 5.2 herein and 4.2 of 1992 edition); e) The test methods for chemical composition have been modified (see 6.1 herein and 5.1 of 1992 edition); f) The test method for mechanical properties has been modified (see 6.2 herein and 5.2 of 1992 edition); g) The inspection rules have been modified (see Clause 7 herein and Clause 5 of 1992 edition). h) Marking, packaging, transportation, storage and certificates of quality have been added (see Clause 8); i) The Annex A has been modified (see Annex A herein and Annex A of 1992 edition). j) Annex B has been deleted (see Annex B of 1992 edition). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by and is under the jurisdiction of the National Technical Committee on Foundry of Standardization Administration of China (SAC/TC 54). This document was firstly issued in 1992 as GB/T 1174-1992, and this is the first revision. Cast bearing alloy 1 Scope This standard specifies designation and code, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates of cast bearing alloy. This document is applicable to cast tin-based, lead-based, copper-based and aluminum-based bimetallic sliding bearings and copper-based, zinc-based and aluminum-based alloy integral sliding bearings. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 228.1 Metallic materials — Tensile testing — Part 1: Method of test at room temperature GB/T 231.1 Metallic materials — Brinell hardness test — Part 1: Test method GB/T 1173 Casting aluminium alloys GB/T 1175 Casting zinc alloys GB/T 1176 Casting copper and copper alloys GB/T 5121.1 Methods for chemical analysis of copper and copper alloys — Part 1: Determination of copper content GB/T 5121.2 Methods for chemical analysis of copper and copper alloys — Part 2: Determination of phosphorus content GB/T 5121.3 Methods for chemical analysis of copper and copper alloys — Part 3: Determination of plumbum content GB/T 5121.4 Methods for chemical analysis of copper and copper alloys — Part 4: Determination of carbon and sulfur content GB/T 5121.5 Methods for chemical analysis of copper and copper alloys — Part 5: Determination of nickel content GB/T 5121.6 Methods for chemical analysis of copper and copper alloys — Part 6: Determination of bismuth content GB/T 5121.7 Methods for chemical analysis of copper and copper alloys — Part 7: Determination of arsenic content GB/T 5121.9 Methods for chemical analysis of copper and copper alloys — Part 9: Determination of ferrum content GB/T 5121.10 Methods for chemical analysis of copper and copper alloys — Part 10: Determination of tin content GB/T 5121.11 Methods for chemical analysis of copper and copper alloys — Part 11: Determination of zinc content GB/T 5121.12 Methods for chemical analysis of copper and copper alloys — Part 12: Determination of antimony content GB/T 5121.13 Methods for chemical analysis of copper and copper alloys — Part 13: Determination of aluminum content GB/T 5121.23 Methods for chemical analysis of copper and copper alloys — Part 23: Determination of silicon content GB 5611 Foundry terminology GB/T 8063 Designation of cast nonferrous metals and their alloys GB/T 8888 Wrought heavy non-ferrous metal products-packing, marking, transportation, storing and certificate of quality GB/T 12689.1 Methods for chemical analysis of zinc and zinc alloys — Part 1: Determination of aluminum content — Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry GB/T 12689.3 Methods for chemical analysis of zinc and zinc alloys — The determination of cadmium content — The flame atomic sbsorption spectrometric method GB/T 12689.4 The methods for chemical analysis of zinc and zinc alloys — The determination of copper content — The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method GB/T 12689.5 Methods for chemical analysis of zinc and zinc alloys — Determination of iron content — Sulfosalicylic acid spectrophotometric method and flame atomic absorption spectrometric method GB/T 12689.6 Methods for chemical analysis of zinc and zinc alloys — Determination of lead content — Oscillopolarographic method GB/T 12689.7 Methods for chemical analysis of zinc and zinc alloys — Part 7: The determination of magnesium content — The flame atomic sbsorption spectrometric method GB/T 12689.8 The methods for chemical analysis of zinc and zinc alloys — The determination of silicon content — Molybdenum blue spectrophotometry GB/T 12689.9 The methods for chemical analysis of zinc and zinc alloys 一 The determination of antimony content 一 The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method GB/T 12689.10 Methods for chemical analysis of zinc and zinc alloys — Determination of tin content — Phenylfluorenone-cetyltrimethylamine bromide spectrophotometric method GB/T 16748 Plain bearings — Compression testing of metallic bearing materials GB/T 20975.3 Methods for chemical analysis of aluminium and aluminium alloys — Part 3 :Determination of copper content GB/T 20975.4 Methods for chemical analysis of aluminium and aluminium alloys — Part 4: Determination of ferrum content GB/T 20975.5 Methods for chemical analysis of aluminium and aluminium alloys — Part 5: Determination of silicon content GB/T 20975.7 Methods for chemical analysis of aluminium and aluminium alloys — Part 7: Determination of manganese content GB/T 20975.8 Methods for chemical analysis of aluminium and aluminium alloys — Part 8: Determination of zinc content GB/T 20975.10 Methods for chemical analysis of aluminium and aluminium alloys — Part 10: Determination of tin content GB/T 20975.12 Methods for chemical analysis of aluminium and aluminium alloys — Part 12: Determination of titanium content GB/T 20975.14 Methods for chemical analysis of aluminium and aluminium alloys — Part 14: Determination of nickel conten GB/T 20975.16 Methods for chemical analysis of aluminium and aluminium alloys — Part 16: Determination of magnesium content YS/T 475.1 Methods for chemical analysis of cast bearing alloys — Determination of tin content — Potassium iodate titrimetric method YS/T 475.2 Methods for chemical analysis of cast bearing alloys — Determination of lead content — EDTA titrimetric method YS/T 475.3 Methods for chemical analysis of cast bearing alloys — Determination of antimony content — Cerium sulfate titrimetric method YS/T 475.4 Methods for chemical analysis of cast bearing alloys — Determination of copper content — Sodium thiosulfate titrimetric method YS/T 475.5 Methods for chemical analysis of cast bearing alloys — Determination of arsenic content — Arsenic-antimony-molybdenum blue spectrophotometric method YS/T 475.6 Cast bearing alloys — Determination of aluminium content — Chrome azure S spectrophotometric method YS/T 475.7 Methods for chemical analysis of cast bearing alloys — Determination of lead, copper, iron, bismuth, zinc and cadmium content — Atomic absorption spectrometric method 3 Terms and definitions For the purposes of this standard, the terms and definitions given in GB/T 5611 apply. 4 Alloy designation and code 4.1 Alloy designation representation method The designation method of casting bearing alloy shall be implemented according to those specified in GB/T 8063. 4.2 Alloy casting method code S——sand casting; J——permanent mold casting; Li——centrifugal casting. 4.3 Alloy heat treatment state code T5——Solid solution treatment plus incomplete artificial aging. 5 Technical requirements 5.1 Chemical composition See Table 1 to Table 5 for chemical composition of cast bearing alloys.

Contents of GB/T 1174-2022

1 Scope 2 Normative references 3 Terms and definitions 4 Alloy grades and designations 5 Technical requirements 6 test methods 7 Inspection rules 8 signs, packaging, transport, storage and quality certification Appendix A (normative) tin-based, lead-based bearing alloy hardness test specimens