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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.
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
