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Metal bending test method GB232-88
The bending test of metal is a widely used test method in the field of metal shape and size control. It can be used to measure the load-bearing capacity, plastic deformation and springback of various metal materials. As an important detection method of metal materials, bending test has a certain i......
1076 
Oliver
General Vibration Standards - Assessment Standards Based on Bearing Vibration Amplitude
General Vibration Standard - Evaluation Standard According to Bearing Vibration Amplitude
Introduction
The vibration of bearings is an important factor when considering the operational status of a mechanical system. In order to properly evaluate the performance of a bearing, the vibration emit......
GB/T 2517-1981 Designation, chemical composition and mechanical process properties of hot-rolled steel sheets and strips for general structures
GB/T 2517-1981 Hot Rolled Symbols, Chemical Composition and Mechanical Properties of Steel Plate and Strip for General Structures
GB/T 2517-1981 specifies the symbols, chemical compositions and mechanical properties of hot-rolled steel plates and steel strips used in general structures. All of th......
GB/T 2517-1981 Allowable deviations of hot-rolled steel sheets and strips for general structures
GB/T 2517-1981
General Structural Hot Rolled Steel Sheets and Strips Allowable Deviation
GB/T 2517-1981 is a standard for hot rolled steel sheets and strips for general structural purposes. Adopted on June 1, 1981, it was issued and promulgated by the Peoples Republic of China General Administrat......
GB 13013-91 Hot-rolled straight and smooth round bars for reinforced concrete
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Hot rolled straight round steel bars for reinforced concrete in GB 13013-1991 has been the most commonly used non-alloy and low alloy steel bars in China, used for the construction and reinforcement of concrete structures.
The steel bars used in GB 13013-1991 have good plasticity and toughness,......
National standard
Standardization
Standardization involves creating standards that help individuals agree on a common set of rules and measurements when sending and receiving data, documents, and goods. Standardization reduces inconsistencies in the way that these things are expressed and communicated. It also hel......
Common terms used in steel standards
Steel Standards Terminologies
Steel is one of the most widely used materials in the world, with many different uses ranging from construction to automotive to industrial. As a result, there are a large number of steel standards that have been created in order to specify and classify the different......
Alloy structural steel designation method
Alloy Structural Steel Grade Designation Method
Alloy structural steel is a type of special steel used in the construction of buildings, machines and tools. It is made of a variety of elements added in certain proportions. The different elements lead to different mechanical properties, and in cer......
20Mn2 use
Introduction
20Mn2 steel is a manganese steel that has excellent hardenability and strength. It is commonly used for components such as valves, pumps, crankshafts, transmissions and other parts that require a high level of strength. The alloy can be heat treated to generate a wide range of mechan......
15F use
Boeing 767-300F (B763F)
The Boeing 767-300F, designed and manufactured by Boeing Commercial Airplanes (BCA), is a wide-bodied, medium range, twin-engine cargo aircraft, part of the popular 767 series. With a range of 4,035 nautical miles (7,445 km), the B763F has been optimized for cargo plane op......
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