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GB/T 11253-1989 Carbon structural steel and low alloy structural steel cold rolled sheet and strip
版本
Cold-rolled sheet steel and steel strips made of carbon structural steel and low-alloy structural steel are used in a wide range of applications. GB/T 11253-1989 is the national standard for the production and quality assurance of these products. This article provides a detailed description of......
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GB/T 3273-1989 Designation, chemical composition and properties of hot-rolled steel plates for automobile frame
GB/T 3273-1989 Hot-rolled Steel Plate for Automobile Beams - Brand and Chemical Composition, Properties and Performance
GB/T 3273-1989 hot-rolled steel plate for automobile beam is a hot-rolled steel plate punched from a slab by automatic continuous casting. The permeability and magnetic properti......
Specification
Tablets have been around since the late 90s. At first, they were bulky devices that were difficult to use and expensive.
Over the years, however, they’ve become much more popular as manufacturers have worked to make them more user-friendly and accessible to a wider demographic. Nowadays, tablets......
anchorage length
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Reinforced concrete has been profoundly applied to the construction of widely varied structures due to its unique properties of strength, durability, ductility and economical construction cost. A structural element of reinforced concrete is just like any other structural member in terms of its d......
Dimensional tolerances for electrolytic plates and rods of Japanese National Standards
Japan Standard Electrolytic Board and Rod Size Allowable Deviation
With the development of modern industry, electrical products are not only strong and durable, but also require precise size accuracy. The features of electronic components determine the characteristics of electronic products. Mech......
GB 9446-88 Test method for cold cracking of welding pins
Weld flash burr test method
Weld flash burr test method is a testing method used to evaluate the quality of cold and/or strain cracks on welds by using a plug-in mechanism. This testing method has been widely used in a variety of industries to determine the quality of welds, including shipbuildin......
Sample sampling method for chemical composition analysis of steel and chemical tolerance of finished product (GB222-84) (2)
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Sample Collection and Chemical Composition Analysis of Steel
Steel is a most widely used material in the 21st century, with the exception of the automotive industry and the construction industry, whose usage covers almost all aspects of modern industry and production. As an important material, ......
Ultrasonic testing methods for steel forgings GB/T 6402-9l
Ultrasonic Testing of Forged Steel Products
Introduction
Ultrasonic testing (UT) is a non-destructive inspection method used to locate and identify discontinuities in forged steel products. In UT, sound waves are used to detect hidden defects in the material and provide a detailed cross-section ......
Commonly used wire gauge number and nominal diameter comparison table
Fillet Weld Size
Fillet welds are used for many applications and are important for the strength of the joint. Fillet weld size is usually specified on the drawing. Understanding the fillet weld symbols and their meaning is important for producing strong and reliable joints.
Fillet welds are str......
National Development and Reform Commission approves several cemented carbide industry standards
Introduction
In recent years, China has actively advanced the standardization of the hard alloy industry in accordance with the overall principle of strengthening the work of industry standardization and promoting the transformation of industrial structure and quality. China National Development ......
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