GB/T 26658-2011Evaluation methods of lost foam castings quality (English PDF)
消失模铸件质量评定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 16, 2011
Implementation date
March 1, 2012
Scope
GB/T 26658-2011 is the English-translated version of 消失模铸件质量评定方法.
GB/T 26658-2011 is the Chinese standard "Evaluation methods of lost foam castings quality". Its scope clause reads: This standard specifies the technical requirements 300kg less foaming LFC cast iron and steel castings, testing methods, inspection regulations As well as the logo, packaging, transportation and storage requirements.
This standard applies to the disappearance of quality castings grading, evaluation and testing. Its clauses include technical requirements.
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Document preview — GB/T 26658-2011
National Standard of the People's Republic of China
- ICS
- 03.120.99
- Classification
- J 31
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Technical requirements
- 3.1 lost foam castings appearance quality assessment
1 Scope
This standard specifies the technical requirements 300kg less foaming LFC cast iron and steel castings, testing methods, inspection regulations
As well as the logo, packaging, transportation and storage requirements.
This standard applies to the disappearance of quality castings grading, evaluation and testing.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 228 metal materials at room temperature tensile test method
GB/T 1348 Ductile Iron
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 2828.2 Sampling procedures for inspection - Part 2. Press limiting quality LQ retrieved isolated batch inspection sampling plan
GB/T 5677 Steel Castings radiographic testing
GB/T 5680 austenitic manganese steel castings
GB/T 6060.1 Roughness comparison specimens - Cast surfaces
GB/T 6414 casting dimensional tolerances and machining allowances
GB/T 7216 Gray cast iron metallography
GB/T 7233.1 steel castings Ultrasonic examination - Part 1. Steel castings for general purposes
GB/T 8492 General purpose heat-resistant steel and alloy castings
GB/T 9437 heat-resistant cast iron
GB/T 9439 Gray Iron Castings
GB/T 9441 ductile iron metallography
GB/T 9443 steel castings penetrant testing
GB/T 9444 steel castings - Magnetic particle testing
GB/T 11351 casting weight tolerance
GB/T 13298 metal microstructure inspection method
GB/T 13925 casting high manganese steel microstructure
GB/T 17445 casting grinding balls
GB/T 26656 compacted graphite iron metallography
TB/T 2450 ZG230-450 steel microstructure examination
TB/T 2451 non-metallic inclusions in steel microstructure examination
JB/T 5439 compressor ductile iron parts of the ultrasonic flaw detection
3 Technical requirements
3.1 lost foam castings appearance quality assessment
3.1.1 Casting in shape and appearance
Casting contour, fillets and correct their appearance were divided into 5 levels.
GB/T 26648-2026 | GB/T 26649-2025 | GB/T 26650-2025 | GB/T 26653-2026 | […]
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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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