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European weathering steel grade
European weathering steel grades
Weathering steel is a special type of steel covering steel that is often used in outdoor construction. This type of steel is designed to withstand the elements on the exterior of a structure like wind, rain, and rust. In the European market, there are several diff......
1093 
Avery
Designation and chemical composition of waste heat treated steel bars (GB 13014-1991)
GB 13014-1991: The Board of Chemical Composition and Brand Numbers of Heat-treated Steel Bars
1. Basic rules
This code sets out the classification, chemical composition and brand numbers of heat-treated steel bars (hereinafter referred to as “bars”).
2. Classification
The heat-treated ste......
High-quality carbon structural steel wire (GB/T3206-1982)
Carbon-structured steel wire (GB/T3206-1982)
Carbon-structured steel wire (GB/T3206-1982) is a type of steel wire with good structure that is mainly used for making fishhooks and other small objects. The abbreviation for this steel wire is GB/T 3206-1982, which is abbreviated as “LCF-82″. This ......
Die Steel Glossary
Mold Steel Vocabulary
Mold Steel is an important part of the production process in the manufacturing industry. It is a specialized type of steel that is able to withstand high levels of pressure and heat and retain its shape and form. It is an essential component in the making of molds and dies f......
Hardgrove index
Hirschfeld–Gottesman Index
The Hirschfeld–Gottesman Index (HG Index) is a tool developed by Health Canada and the World Health Organization (WHO) in 1994 to measure the health of a population. The HG Index is based on five dimensions: socioeconomic condition, physical health, mental health, alc......
Distribution of iron ore resources in the world
World Iron Ore Resources Distribution
Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3). Iron ore is the source of primary......
Proved reserves
Oil Reserve
Oil has been an important topic for many years, as it has been one of the most important sources of energy for nations around the world. One of the most intriguing aspects of oil is the concept of an oil reserve. An oil reserve is defined as an accumulation of oil that is held in stor......
Heat pipe
PThheatPipe， also knownasThermal HeatPipe, is an energy-efficient alternative to traditional heatingand cooling systems. Heat pipes are highly conductive, thermally-regulated pipes that transfer energy from the source to the desired destination and can be used to distribute heat throughout a home......
pressure vessel
Pressure Vessels
Pressure vessels are products made of various materials, including metals, plastics, and composites, which are capable of holding liquids and gases under pressure. This pressure may be applied in many ways, such as by a pump, compressor, or other mechanical means. Pressure vessel......
Mechanical presses: CNC die rotary head presses
，中文详解 Introduction
Numerically-controlled Rotary Heading Hydraulic Press (NRhhP) is a kind of hydraulic machine that is widely used in the industrial production due to its excellent technological performance and easy-to-operate operation process. Different from other machines, NRhhP has a CN......
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