本标准规定了铸造1 Scope
This standard specifies the designation, code, technical requirements, test methods and test rules of casting copper and copper alloys.
This standard is applicable to the manufacture of copper and copper alloys castings.
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/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 5121 (All parts) Methods for Chemical Analysis of Copper and Copper Alloys
GB/T 8063 Designation of Cast Nonferrous Metals and Their Alloys
YS/T 482 Methods for Analysis of Copper and Copper Alloys - The Atomic Emission Spectrometry
3 Designation and Code of Alloys
3.1 Designation of alloys
The designation of casting copper and copper alloys shall meet the requirements of GB/T 8063, and see Table 1 for the designation of alloys.
3.2 Alloy nomenclature
According to the requirements of GB/T 8063, the alloy is named based on the mass fraction of its major elements, e.g., 5-5-5 tin bronze, 38 brass and 25-6-3-3 aluminum brass.
3.3 Code of alloy casting method
S——sand mold casting
J——metal mold casting
La——continuous casting
Li——centrifugal casting
R——investment casting
铜及铜合金的牌号和代号、技术要求、试验方法和检验规则。 本标准适用于制造铜及铜合金铸件。
Foreword I
1 Scope
2 Normative References
3 Designation and Code of Alloys
4 Technical Requirements
5 Test Methods
6 Test Rules
Annex A (Normative) Figures for Casting Test Block for Mechanical Property Inspection
Annex B (Informative) The Main Features and Application Examples of Casting Copper and Copper Alloys
Bibliography
