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GB/T 6401-1986 Micrographic Method for Determining Area Fraction of α-Phase in Ferritic-Austenitic Duplex Stainless Steels Using Charts Scope This standard specifies the micrographic method for determining the area fraction of the α-phase in ferritic-austenitic duplex stainless steels. 1. Preparation of Test Specimens 1.1 Specimens shall be taken in the delivery condition. The sampling location and […]
Introducción a las bridas industriales Las bridas son componentes esenciales de los sistemas de tuberías, ya que proporcionan un método fiable para conectar tuberías, válvulas, bombas y otros equipos. Comprender los diferentes tipos de bridas, sus aplicaciones y el dimensionamiento adecuado es crucial para garantizar un funcionamiento seguro y eficaz en diversas industrias. ¿Qué son las bridas ciegas? Las bridas ciegas son discos sólidos utilizados [...]
Understanding Toilet Flanges A toilet flange, also known as a closet flange, is a critical component that connects your toilet to the drain pipe and secures it to the floor. This essential fitting ensures a watertight seal and prevents sewer gases from entering your home. Whether you are dealing with a broken toilet flange or […]
Bridas industriales en la ingeniería moderna Las bridas industriales son la columna vertebral de innumerables sistemas mecánicos y de tuberías en diversos sectores. Desde bridas para cojinetes en equipos rotativos hasta conexiones de bombas y sistemas de escape, comprender los requisitos específicos de cada aplicación es esencial para obtener un rendimiento y una seguridad óptimos. Bridas de rodamientos: Soporte de equipos rotativos Las bridas para rodamientos son [...]
Introducción a los materiales y normas de las bridas El rendimiento y la longevidad de las conexiones de bridas dependen en gran medida de la selección de materiales y del cumplimiento de las normas internacionales. Esta completa guía explora los distintos materiales utilizados en la fabricación de bridas y compara las principales normas internacionales que rigen la producción de bridas en todo el mundo. Materiales comunes de las bridas Bridas de acero al carbono El acero al [...]
GB/T 226-91 — Steel Macrostructure and Defect Acid Etching Inspection Method 📥 Download Original PDF (Chinese Version) Original GB/T 226-91 Chinese Standard Document (embedded above) 1 Scope This standard specifies the acid etching method for examining the macrostructure and defects of steel. It is applicable to the inspection of macrostructure and common defects in various […]
GB 2971-82 – Method of Fracture Test for Carbon and Low Alloy Steels UDC: 669.14/.15 : 620.18 National Standard of the People’s Republic of China Promulgated: 1982-05-25 | Implemented: 1982-12-01 Scope This standard specifies the fracture test method applicable to carbon structural steels, low-alloy structural steel plates, bars, and sections. It may also be used […]
GB/T 226-2015 Test Method for Macrostructure and Defect of Steel by Etching Standard Information Standard Number: GB/T 226-2015 Replaces: GB/T 226-1991 Release Date: September 11, 2015 Implementation Date: June 1, 2016 Proposed by: China Iron and Steel Association Managed by: National Steel Standardization Technical Committee (SAC/TC 183) Scope This standard specifies three test methods for […]
YB/T 4003-1997 — Standard Diagrams for Macrostructure and Defect in Continuous Casting Slab Standard Number: YB/T 4003-1997 Issued: August 4, 1997 Effective: December 1, 1997 Issuing Authority: Ministry of Metallurgical Industry, People’s Republic of China Original Title: 连铸钢板坯低倍组织缺陷评级图 1. Scope This standard specifies the test specimens used for macrostructure defect evaluation of continuously cast steel […]
This standard specifies the sulfur print inspection method for steel, which is used to determine the distribution and degree of sulfur segregation in steel. 1. Scope This standard specifies the sulfur print inspection method for steel. This method is applicable to the inspection of sulfur segregation in various steel products. 2. Specimen Preparation The specimen […]
This standard specifies the evaluation method for macrostructure defects in the full cross-section of rolled steel integral wheels for railway use. 1. Scope This standard applies to the evaluation of macrostructure defects in rolled steel integral wheels used in railway applications. 2. Reference Standards This standard references relevant Chinese railway industry standards for wheel manufacturing […]
GB/T 1954-2008 — Methods of Measurement for Ferrite Content in Austenitic Cr-Ni Stainless Steel Weld Metals Standard Number: GB/T 1954-2008 Replaces: GB/T 1954-1980 Published: 2008-06-26 | Effective: 2009-01-01 Modified adoption of: ISO 8249:2000 (MOD) ICS: 25.160.20 | Classification: J33 Issuing Body: Standardization Administration of the People’s Republic of China 📄 Original Standard PDF (Chinese) Download […]