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GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
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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 ......
GB5842-1996 liquefied petroleum gas cylinder (1)
Liquid petroleum Gas Cylinders (GB5842-1996)
Liquid petroleum Gas (LPG) Cylinders are designed for the purpose of storing and transporting liquefied petroleum gas from one place to another. These cylinders are made of special alloy steel and are in accordance with the technical regulations set fo......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 12)
JGJ81-2002 Building Steel Structure Welding Technology Specification (Twelfth)
Welding technology specification of the building steel structure (JGJ81-2002) is an important specification of the construction industry. It is applicable to the welding of steel structure. Its object is to set the lim......
German high temperature austenitic steel plate, sheet, cold rolled and hot rolled steel strip
Germany is the world leader in the production of high-temperature austenitic steel plate, sheet, cold-rolled and hot-dipped steel strips. As one of the largest producers and exporters of hot-rolled steel products in Europe, Germany has a long history of producing high-grade steels suitable for eve......
German general purpose forgings
Germany is one of the leading producers of forgings, heavy engineering and machining. This is due to the excellent quality of its components and the expertise of its engineers.
Forgings are used in many industries to manufacture products that require strong parts that can withstand extreme temper......
Titanium-containing high-quality carbon structural steel with low hardenability (YB 2009-81)
Low-tempering Carbon Structure Steel with Titanium Containing High Quality (YB 2009-81)
1 Introduction
The development and application of new materials is essential for the progress of human science and technology. Low-tempering carbon steel with high titanium content is one of the important mat......
Galvanized welded steel pipe for low-pressure fluid transmission GB T3091-93
Low-pressure fluid transport galvanized welded steel pipe
Low-pressure galvanized welded steel pipe is widely used for transporting various low-pressure fluids such as water, oil, gas, air, heat transfer fluid and steam. The main features of this type of pipe are high corrosion resistance, accura......
Ultrasonic inspection method for titanium and titanium alloy pipes GB/T 12969.1-91
，以GB/T 12969.1-91 Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes 为主题。
Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes (GB/T 12969.1-91)
Titanium and titanium alloys are important materials in modern industrial production, primarily used in aircraft engi......
Carbon structural steel and low alloy structural steel hot-rolled steel sheet and strip GB 912-89
Hot-rolled sheets and strips of carbon structural steel and low alloy structural steel are one of the important types of products in the steel industry. It is widely used in various industries such as construction, automobile, electromechanical, shipbuilding, petrochemical and military industry.
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