Search results for keyword: q345
GB/T 1591-1994 Designation and chemical composition of low-alloy high-strength structural steel
GB/T 1591-1994 Specification of Low Alloy High Strength Structural Steels
This standard GB/T 1591-1994, “Low Alloy High Strength Structural Steels” specifies technical requirements, inspection rules and permissible tolerances for seven grades of steel used in the manufacture of structural steel......
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GB/T 3274-1988 Carbon structural steel and low alloy structural steel hot-rolled thick plate and steel strip
GB/T 3274-1988, Hot-rolled Carbon Structural Steels and Low-alloy Structural Steels Plates and Strips, specifies the standard for hot-rolled carbon structural steels and low-alloy structural steels plates and strips with a thickness below 5mm. The standard includes chemical composition, metallurgic......
GB/T 713-1997 Dimensions, shapes and allowable deviations of steel plates for boilers
，如下 GB/T 713-1997 specifies the dimensions, shapes and tolerances of boiler plates.
Boiler plates are formed in a range of sizes and shapes, thicknesses, and qualities, with different mechanical properties.
Boiler plates are made of steel that is generally higher in strength and carbon conte......
GB/T 713-1997 Grade and Chemical Composition of Steel Plates for Boilers
GB/T 713-1997 Steel Plates for Boiler and Pressure Vessels
This standard GB/T 713-1997 was jointly established by Chinas General Administration of Quality Supervision and Testing Committee of Machinery Industry and Metallurgical Industry standardization work group on April 12, 1997. This standard......
Low-alloy steel plates for low-temperature pressure vessels (GB3531-1996)
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Low alloy steels are metallic materials which usually contain less than 5% alloying elements and show good strength, ductility, toughness and weldability. Low alloy steel plate is often called as structures plate, bridge plate, special steels plate and low-temperature pressure vessel plate......
Steel plates for pressure vessels (GB6654-1996)
Steel Plates for Pressure Vessels Standard GB 6654-1996
Steel plates are an essential part of pressure vessels. Pressure vessels are containers used to store and carry liquids, gasses, and other substances under various conditions of pressure and temperature. The steel plate used for pressure ves......
High-quality carbon structural steel hot-rolled thick steel plate and wide steel strip (GB/T711-1988)
Quality Carbon Structural Steel Hot Rolled Steel Plates and Wide Steel Bands (GB/T711-1988)
Quality Carbon Structural Steel (hereinafter referred to as QCS Steel) Hot Rolled Steel Plates and Wide Steel Bands (hereinafter referred to GB/T711-1988) are one of the basic types of steel material recog......
Production of hot-dip galvanized steel sheets and development of galvanizing technology in my country
Abstract
The development of hot-dip galvanizing steel plate production and technology in China is of great significance to the improvement of national defense and the construction of basic industries. In recent years, due to the continuous progress of science and technology, Chinas hot-dip galvan......
Production of double-layer welded steel pipe
Double-layer Welded Steel Pipes Producing
Welded steel pipes are made by rolling a strip of steel and then welding the two edges along the seam. The welded steel pipe has many advantages, such as high strength, good rigidity, and low cost. As the demand for steel pipes increases, the technology o......
Effect of Soft Reduction Technology on Center Segregation of Continuous Casting Slab
Abstract
The effects of Ultra-light Press Technology on center segregation of continuous casting billet are studied to improve the quality of billet. Ultrasonic flaw detection and nodularity test method were used to determine the influence of Ultra-light Press on the center segregation of continu......
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