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Aluminum alloy casting technical conditions GB 9438-88
GB 9438-1988 Steel and Aluminum Casting Technical Specifications
This standard specifies the types, grades, requirements, tests, inspection and acceptance rules, packing, marking and quality certificate of steel and aluminum castings. The standard applies to ferrous castings, non-ferrous castings......
1041 
Sophia
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 24)
Welding Technology Regulations for Steel Structures of Buildings (24)
1. Scope
This Standard applies to welding of steel structures for buildings and structures, as well as calculation and testing thereof.
2. Primary Terms and definitions
2.1 Steel Structure of Building
Steel structures of bu......
Steel flat products (Ni alloy steel, cold toughness) for heat-resistant pressure vessels in France
Introduction
In France,Nickel-alloy steel flat products are widely used as the fabrication material in the production of pressure vessels.Due to the special characteristics of Nickel-alloy steel,the flat products have excellent heat and corrosion resistance,making it the ideal material for the ma......
Mechanical Properties of American Standard High Temperature Nickel-Chromium Alloy Cast Steel
The mechanical properties of nickel-chromium alloy cast steel for high temperature according to the American Standard
Introduction
Nickel-chromium alloy cast steel has been widely used in many industries, such as aviation, aerospace and petrochemical, due to its excellent mechanical properties a......
The representation method of Swedish standard steel grade
Introduction
Sweden standard steel numbers are a system used to differentiate a variety of steels. The system was devised by the Swedish steelmaker ASSAB and is widely used in Europe and North America. The system assigns a four-digit number to each steel, which includes information about the grad......
Comparison of world grades - spring steel
EN 10132-4 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
1 Introduction
EN 10132-4 provides requirements for cold rolled narrow steel strip for heat treatment. This part applies to the delivery of spring steel str......
European spring steel steel grade
definition:
Spring steel is a name given to a wide range of steels used in the manufacture of springs, prominently in automotive and industrial suspension applications. These steels are generally low-alloy, medium-carbon steel or high-carbon steel with a very high yield strength.
History:
The use......
my country's steel grade representation method
Steel Numbering System in China
In China, identifying the different types of steel products is done through designations and numbering systems. Steel designation and numbering systems facilitate the classification of steel types, and are thus important in helping to ensure proper use of steel in ......
Hot-dip galvanized steel wire for bridge cables (GB/T17101-1997)
Hot-dip galvaniZed steel Wire for Cable Bridges (GB/T17101-1997)
The use of hot-dip galvanized steel wire for cable bridges as specified in GB/T17101-1997 is a necessary safety measure when wires are used as protective device components in cable bridges. It is necessary because of the need to cr......
Domestic ferrosilicon standard (GB2277-87)
（自己参考内容自行创作）
The national standard GB2277-87 Silicon Iron was formulated by the State Bureau of Quality and Technical Supervision (now the General Administration of Quality Supervision, Inspection and Quarantine) in October 1987 and promulgated on January 8, 1988. The implementation dat......
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