GB/T 38915-2020High temperature titanium alloy forgings for aerospace (English PDF)
航空航天用高温钛合金锻件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 2, 2020
Implementation date
May 1, 2021
Scope
GB/T 38915-2020 is the English-translated version of 航空航天用高温钛合金锻件.
GB/T 38915-2020 is the Chinese standard "High temperature titanium alloy forgings for aerospace".
Its scope clause reads: This standard specifies the technical requirements, test methods, inspection rules and marks, packaging, transportation and storage of high-temperature titanium alloy forgings for aerospace Deposit and quality certificate and order form (or contract) content.
This standard applies to high-temperature titanium alloy forgings produced by forging and rolling methods (hereinafter referred to as forgings). Its clauses include technical requirements.
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Document preview — GB/T 38915-2020
National Standard of the People's Republic of China
- ICS
- 77.150.50
- Classification
- H 64
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Technical requirements
- 3.1 Materials
- 3.2 Brand, status and specifications
1 Scope
This standard specifies the technical requirements, test methods, inspection rules and marks, packaging, transportation and storage of high-temperature titanium alloy forgings for aerospace
Deposit and quality certificate and order form (or contract) content.
This standard applies to high-temperature titanium alloy forgings produced by forging and rolling methods (hereinafter referred to as forgings).
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 228.1-2010 Metallic materials tensile test Part 1.Room temperature test method
GB/T 228.2 Tensile test of metallic materials Part 2.High temperature test method
GB/T 2039 Uniaxial tensile creep test method for metallic materials
GB/T 3620.1 Titanium and titanium alloy grades and chemical composition
GB/T 3620.2 Allowable deviation of chemical composition of titanium and titanium alloy processed products
GB/T 4698 (all parts) Methods for chemical analysis of sponge titanium, titanium and titanium alloys
GB/T 5168 Titanium and titanium alloy high and low magnification structure inspection method
GB/T 5193 Ultrasonic inspection method of titanium and titanium alloy processed products
GB/T 8180 Packaging, marking, transportation and storage of titanium and titanium alloy processed products
GB/T 23605 Titanium alloy beta transformation temperature determination method
YS/T 1262 Sponge titanium, titanium and titanium alloy chemical analysis method Determination of multi-element content Inductively coupled plasma atomic emission
Spectroscopy
3 Technical requirements
3.1 Materials
3.1.1
The ingot used for forging production should be smelted at least twice, and the last time should be smelted by vacuum consumable arc furnace. Can be consumed for the first time
Electrode, electron beam cold bed furnace or plasma beam cold bed furnace smelting, the last smelting is not allowed to add any elements.
3.1.2
The consumable electrode should not be welded by TIG welding.
3.2 Brand, status and specifications
The grade, status and specifications of the forgings shall meet the requirements of Table 1.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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