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GB 12801-91 General Principles of Safety and Sanitation Requirements for Production Process
12801-91 Production Process Safety and Health Requirements General Provisions
This standard specifies the requirements and regulations of the production process safety and health in order to prevent and reduce occupational accidents, injuries and diseases. The objective of this standard is to ens......
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GB 13456-92 Discharge Standard of Water Pollutants for Iron and Steel Industry
GB 13456-92 Steel Industry Water Pollution Emission Standards
In order to protect the environment, the State Council ratified the Steel Industry Water Pollution Emission Standard (GB 13456-92) on April 1, 1993, which became effective on July 1 of that same year. This standard applies to all types......
GB 17926-1999 Compressed natural gas cylinder valves for vehicles
GB 17926-1999Road Vehicle Compressed Natural Gas Cylinder Valves
This standard applies to road vehicle compressed natural gas (CNG) cylinder valves (hereafter referred to as valves).These valves are used for the connection of CNG cylinder and the other components in CNG system.
The technical re......
GB 18218-2000 Identification of Major Hazard Sources
Identification of Major Hazard Sources
Introduction
Major hazard sources (MHS) are sources of extreme danger or destruction, typically those which can cause large-scale disasters or major economic and environmental damage. The identification of major hazard sources is very important in ensuring ......
Background of ISO14000 series standards
The International Organization for Standardization (ISO) is an international body whose purpose is to maintain standards for goods, services, and systems across the world. The ISO14000 series of standards is a subset of ISO standards which are specifically designed to help organizations understand......
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 11)
Welding technology regulations for architectural steel structures (No.11)
Welding technology regulations for architectural steel structures are established in order to ensure the safety and reliability of steel structure products and their welding performance, and to guarantee their long-term saf......
Dimensions, shapes, weights and allowable deviations of forged round and square steel (abstract) GB 908-87
GB 908-87 Steel Round and Square Bars
This standard outlines the dimensions, shape, weight, and allowable tolerances for round and square steel bars.
Dimensions
The general dimensions of steel round bars with a maximum diameter of 250 mm, and the general dimensions of square bars with a maxim......
Sintered NdFeB permanent magnet material (ZB/H58003-1990)
Introduction
The sintered Nd-Fe-B magnets, also known as Neodymium or NdFeB magnets, are permanent magnets made of a range of materials, namely an alloy of rare-earth elements neodymium (Nd) and iron (Fe), along with the addition of some boron (B). The powerful magnetic properties of these magnet......
Eddy current test method for titanium and titanium alloy pipes GB/T 12969.2-91
Abstract
This paper introduces GB／T 12969.2-91 Eddy Current Method for inspecting titanium and titanium alloy pipes. Eddy current method is an non destructive testing (NDT) technique for performing the inspection of titanium and titanium alloy pipes. The technique is an electromagnetic test whic......
Carbon steel flux cored wire GB 10045-881
Carbon steel electrodes for arc welding
Carbon steel electrodes for arc welding are an important part of the welding industry. These electrodes are commonly used for a variety of structural fabrication, pressure vessel fabrication, and pipe fabrication welding processes.
These electrodes play a ......
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