GB/T 28411-2012General specification of superalloy investment structural castings (English PDF)
高温合金精铸结构件通用技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 29, 2012
Implementation date
March 1, 2013
Scope
GB/T 28411-2012 is the English-translated version of 高温合金精铸结构件通用技术条件.
GB/T 28411-2012 sets the technical delivery requirements, the test methods, the inspection rules and the delivery conditions for superalloy structural castings.
Clause 1 states that it applies to ordinary precision castings of the structural type, mainly whole casting directors, bearing casings, impellers, nozzle adjustment segments, stabilizers and other load-bearing casting structures, which the text calls casting, while other types of casting structure may refer to it, and it adds that where a contract agreement or special technical documents conflict with the standard, the contract agreement or the special technical documents prevail.
The introduction states that the standard does not deal with the application conditions or the performance of specific alloys and lays down technical requirements and inspection rules only in principle, that it is to be used together with special technical documentation, and that it is not to be used for ordering.
The clauses shown in the draft are Scope, Normative references and Terms and Definitions.
Clause 3 states that the terms and definitions of GB/T 14992, GB/T 14999.7 and GB/T 25932 apply together with its own, of which the draft prints one, the furnace batch, made up of castings from the same heat of master alloy, the same equipment and the same continuous production process documents.
Clause 2 cites GB/T 223 (all parts), GB/T 228.1, GB/T 230.1, GB/T 231.1, GB/T 2039, GB/T 4338, GB/T 14992, GB/T 14999.7, GB/T 20066, GB/T 20127 (all parts), GB/T 25932, GJB509, GJB905, YB/T081, HB6103, HB6573, HB/Z60, HB/Z61 and HB/Z131-88.
The draft available on the source page breaks off inside the terms clause, so the delivery requirements, test methods and inspection rules themselves are not shown.
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Document preview — GB/T 28411-2012
National Standard of the People's Republic of China
- ICS
- 77.140.99
- Classification
- H 57
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
Foreword
This standard rule according to GB/T 1.1-2009 given draft. The standard proposed by China Iron and Steel Association.
Introduction
This standard is the general technical conditions of high temperature alloy casting structure does not involve the application conditions and performance of specific alloys, only technical Requirements and inspection rules make provisions in principle. This standard should be supporting the use of special technical documentation, not be used for ordering.
1 Scope
1.1 standard specifies the technical structure of superalloy casting products delivery requirements, test methods, inspection rules and delivery conditions.
1.2 This standard structure applicable to ordinary precision casting products mainly include. whole casting directors, bearing casing, impeller, nozzle adjustment Segments, stabilizers, and other casting bearing structure (hereinafter referred to as casting). Other types of casting structure may refer to use.
1.3 When the contract agreement or special technical documents provisions inconsistent with the provisions of this standard should be based on contractual agreements or special technical documents Prevail.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 223 (all parts), steel and alloy chemical analysis method
RT Test Method. Test Part 1 GB/T 228.1 metal material tensile
GB/T 230.1 metallic materials - Rockwell hardness test - Part 1: Test methods (A, B, C, D, E, F, G, H, K, N, T standard ruler)
GB/T 231.1 metallic materials Brinell hardness test - Part 1: Test methods
Creep and endurance test methods GB/T 2039 metal extension
GB/T 4338 high-temperature metallic materials - Tensile testing
GB/T 14992 between high temperature alloys and high-temperature materials intermetallic compound of Classification and designation
GB/T 20066 Determination of the chemical composition of iron and steel sampling and preparation of samples by
Determination of GB/T 20127 (all parts) and alloy steel trace elements
GB/T 14999.7 superalloy castings grain size, dendrite arm spacing and a loose microscopic measurement method
GB/T 25932 superalloy master alloy General technical conditions
GJB509 heat treatment process quality control standards
GJB905 investment casting process quality control
YB/T081 metallurgical technology standard rounding off the detected value determination principles
HB6103 casting dimensional tolerances
HB6573 Steel Investment Castings standard reference radiographs
HB/Z60 X-ray radiographic testing
HB/Z61 penetrant inspection
HB/Z131-88 superalloy selection of raw materials and technical conditions
3 Terms and Definitions
GB/T 14992, GB/T 14999.7 and GB/T 25932 defined and the following terms and definitions for use in the present document.
3.1 Furnace batch
From mother alloy of the same heat, the same equipment, the same continuous production process documents with a number of cast components.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 230.1Metallic materials - Rockwell hardness test - Part 1: Test method
- GB/T 231.1Metallic materials - Brinell hardness test - Part 1: Test method
- GB/T 14992Superalloys and intermetallic compounds — Designation and chemical composition
- GB/T 20066Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
- GB/T 14999.7Test methods for grain sizes, primary dendrite spacing and microshrinkage of superalloy castings
- GB/T 25932Cast superalloy — Master alloys — Equiaxed crystal
GB/T 223 · GB/T 4338
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Related Standards
GB/T 14992-2025 — Superalloys and intermetallic compounds — Designation and chemical composition
GB/T 14999.7-2010 — Test methods for grain sizes, primary dendrite spacing and microshrinkage of superalloy castings
GB/T 20066-2006 — Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
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