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 […]
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 […]
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 […]
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 […]
Blind Flange with Rubber Gasket Wholesale Guide Blind flanges with rubber gaskets are essential components for pipeline isolation, pressure testing, and system maintenance. Understanding wholesale pricing, gasket selection, and availability ensures cost-effective procurement. Blind Flange Overview Blind flanges are solid discs used to close off pipe ends, valves, or pressure vessels: Key Features Solid construction […]
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 […]
工业法兰简介 法兰是管道系统中的重要部件，为管道、阀门、泵和其他设备的连接提供了可靠的方法。了解不同类型的法兰、它们的应用以及正确的尺寸对于确保各行业的安全和高效运行至关重要。什么是盲板法兰？盲板法兰是用于[...] 的实心圆盘。
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 […]
Cast Iron Flange Installation Guide Cast iron flanges provide durable solutions for commercial and industrial piping installations. Cast Iron Closet Flange Features Durable construction for long service life Corrosion resistant epoxy coating Standard and custom sizes available Compatible with various pipe materials Mounting Flange Installation Prepare and clean mounting surface Mark bolt hole positions Drill […]