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304 stainless steel angle steel
Stainless steel angle steel is a long strip of steel whose two sides are perpendicular to each other.
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Stainless steel angle steel is a long strip of steel whose two sides are perpendicular to each other.
Its specifications are expressed in millimeters of side width × side width × side thickness. Such as "∠25×25×3", which means the side width is
Equilateral stainless steel angle steel with 25 mm and 3 mm side thickness. It can also be expressed by model number, which is the number of centimeters of side width, such as ∠3#. The model number does not indicate the dimensions of different side thicknesses in the same model. Therefore, fill in the side width and side thickness dimensions of the stainless steel angle steel in the contract and other documents, and avoid using the model number alone. The specification of hot-rolled equilateral stainless steel angle steel is 2#-20#.
Stainless steel angle steel can be composed of various stress-bearing components according to different needs of the structure, and can also be used as a connection between components. It is widely used in various building structures and engineering structures, such as house beams, bridges[/url], power transmission towers, lifting and transporting machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves.
Stainless steel angle steel is a carbon structural steel for construction. It is a section steel with a simple section. It is mainly used for metal components and factory building frames. In use, it requires good weldability, plastic deformation performance and certain mechanical strength. The raw material billets for the production of stainless steel angles are low-carbon square billets, and the finished stainless steel angles are delivered in a hot-rolled, normalized or hot-rolled state.
Types and specificationsedit
It is mainly divided into two types: equilateral stainless steel angle steel and unequal side stainless steel angle steel. Among them, unequal side stainless steel angle steel can be divided into unequal side thickness and unequal side thickness.
The specifications of stainless steel angle steel are expressed by the dimensions of side length and side thickness. Since 2010, the specifications of domestic stainless steel angles are 2-20, and the number of centimeters on the side length is used as the number. The stainless steel angles of the same number often have 2-7 different side thicknesses. Imported stainless steel angles indicate the actual size and thickness of both sides and indicate the relevant standards. Generally, those with a side length of 12.5cm or more are large stainless steel angles, those with a side length between 12.5cm and 5cm are medium-sized stainless steel angles, and those with a side length of less than 5cm are small stainless steel angles.
The order of import and export stainless steel angle steel is generally based on the specifications required in use, and the steel grade is the corresponding carbon steel steel grade. In other words, stainless steel angle steel has no specific composition and performance series except for the specification number.
The delivery length of stainless steel angle steel is divided into fixed length and double length. The fixed length selection range of domestic stainless steel angle steel has four ranges of 3-9m, 4-12m, 4-19m, 6-19m according to different specifications. The length of stainless steel angle steel made in Japan is 6-15m.
The section height of unequal side stainless steel angle steel is calculated according to the long side width of unequal side stainless steel angle steel.
Import and export situationedit
my country imports and exports stainless steel angle steel in certain batches, mainly from Japan and Western Europe. Exports to regions are mainly Hong Kong, Macau, Southeast Asia, Latin America and Arab countries. Export production companies are mainly steel mills (rolling mills) in Jiangsu, Liaoning, Hebei, Beijing, Shanghai, Tianjin and other provinces and cities.
The imported stainless steel angles are mostly large and small stainless steel angles and special-shaped stainless steel angles. The export varieties are mostly medium-sized stainless steel angles such as No. 6 and No. 7.
Appearance quality requirementsedit
The surface quality of stainless steel angle steel is stipulated in the standard. Generally, it is required that there should be no harmful defects in use, such as delamination, scarring, and cracks.
Unequal angle steel
Unequal angle steel
The allowable range of geometric shape deviation of stainless steel angle steel is also specified in the standard, which generally includes items such as curvature, side width, side thickness, top angle, theoretical weight, etc., and stipulates that the stainless steel angle steel must not be significantly twisted.
Chemical composition inspectionedit
(1) Composition index: The chemical composition of stainless steel angle steel belongs to the rolled steel series for general structural use. The main inspection indexes are C, Mn, P, and S. According to different grades, the content varies. The approximate range is C<0.22%, Mn: 0.30—0.65%, P<0.060%, S<0.060%.
(2) Inspection methods: When testing the above chemical components, the commonly used standard inspection methods include GB223, JISG1211-1215, BS1837, BS Manual 19, GOST 22536, etc.
Specifications editor
GB9787—88/GB9788—88 (hot-rolled equilateral/unequilateral stainless steel angle steel size, shape, weight and allowable deviation); JISG3192—94 (hot-rolled section steel shape, size, weight and tolerance); DIN17100—80 (Quality standard for ordinary structural steel); ГОСТ535-88 (technical conditions for ordinary carbon steel).
According to the above-mentioned standards, stainless steel angle steel should be delivered in bundles, and the number of bundles and the length of the same bundle should meet the requirements. Stainless steel angle steel is generally delivered naked, and it is necessary to pay attention to protection during transportation and storage.
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Our Company
Shandong Chengming Steel Co.,Ltd
Our company supplies cold/hot-rolled stainless steel sheets,stainless steel bars ,stainless steel coil stainless steel pipes,lead plate,bearing steel,spring steel,steel plate pile,tank plate,alloy steel plate,weather resistant steel plate and wear resistant plate to many steel factories from at home and abroad, including Shanxi Taigang Iron& Steel CO,.LTD (TISCO) Zhangjiagang Pohang (ZPSS), Shanghai Krupp, Ningbo Baoxin and steel factories in Taiwan area, Mainland Chinese and foreign countries and regions.
Our annual capacity is 25, 000 tons. The Annual Domestic Sale is 20 million, Annual Exported Sale about 12 million dollars.Our products supplied to more than 20 countries, such as Indonesia, Spain, Japan, Korea, Vietnam, Italy, Israel,Australia, Malaysia, Brazil, Pakistan, U. A. E, Peru, India etc. Good quality has been getting more and more prise from buyers at home and abroad.Our long-term business lines are 304 .202, 201 .430.409L, 304L, 316L, 309S and 310S, Finish: 2B ,BA ,NO.1 NO.4 ,HL, NO.8 and so on . For the sheets and coils,the thickness ranging from 0.3mm to 100mm.For the bars,the diameter ranging from 1mm to 300mm.For the pipes ,we have seamless pipe and weld pipe. Meanwhile, our company is also engaged in the long-term supply of homemade & imported medium and thick plates,galvanized or carbon
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Steel Sheet pile Description The steel sheet pile is a kind of steel structure with a linkage device on the edge, and this linkage device can be freely combined to form a continuous and compact steel structure with a retaining wall or a water retaining wall. The steel sheet pile is a type of steel with a lock. Its cross-sections are straight, trough and Z-shaped. There are various sizes and interlocking forms. The common ones are Larsonian, Lakwanaian and so on. Its advantages are: high strength, easy to penetrate hard soil; can be constructed in deep water, if necessary, add diagonal support to become a cage. It has good waterproof performance; it can be formed into cofferdams of various shapes as required and can be reused many times. Therefore, it has a wide range of uses. classification Steel sheet pile products are classified into cold-formed thin-walled steel sheet piles and hot-rolled steel sheet piles according to the production process. (1) There are two types of cold-formed steel sheet piles: non-bite type cold-formed steel sheet piles (also called channel plates) and bite type cold-formed steel sheet piles (divided into L-shaped, S-shaped, U-shaped, and Z-shaped) . Production process: Use thinner plates (commonly used thickness 8mm ~ 14mm) to be continuously rolled and formed in the cold bending unit. Advantages: less investment in the production line, lower production cost, flexible control of product size. Disadvantages: the thickness of each part of the pile body is the same, the section size cannot be optimized, which leads to an increase in steel consumption, the shape of the lock part is difficult to control, the joint is not tightly buckled, and the water cannot be stopped, and the pile body is easy to tear during use. (2) Hot-rolled steel sheet piles Hot-rolled steel sheet piles in the world mainly include U-shaped, Z-shaped, AS-shaped, H-shaped and dozens of specifications. The production, processing and installation processes of Z-type and AS-type steel sheet piles are relatively complicated, and are mainly used in Europe and America; U-type steel sheet piles are mainly used in China. Production process: It is formed by high temperature rolling by a section steel rolling mill. Advantages: standard size, superior performance, reasonable cross-section, high quality, and tight water barrier for the lock bite. Disadvantages: technical difficulty is relatively high, production cost is relatively high, specification series are not flexible. In engineering construction, the application range of cold-formed steel sheet piles is relatively narrow, and most of them are used as supplementary materials for applications. Hot-rolled steel sheet piles have always been the leading product for engineering applications. Based on the many advantages of steel sheet piles in construction operations, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the National Standardization Management Committee issued the national standard for "Hot Rolled U-shaped Steel Sheet Pile" on May 14, 2007, and on December 1, 2007 Formally implemented. At the end of the 20th century, Maanshan Iron & Steel Co., Ltd. produced more than 5,000 tons of U-shaped steel sheet piles with a width of 400mm with the introduction of the universal rolling mill production line from abroad. The U-shaped steel sheet piles were successfully used in the cofferdam of Nenjiang Bridge and the 300,000 tons of Jingjiang New Century Shipyard. Ton shipyard and Bangladesh flood control projects. However, due to the low production efficiency, poor economic efficiency, low domestic demand and insufficient technical experience during the trial production period, continuous production was not possible. According to statistics, the annual consumption of steel sheet piles in my country remains at about 30,000 tons, accounting for only 1% of the world’s total, and it is limited to permanent projects such as the construction of some ports, wharves, and shipyards, as well as the construction of bridges, cofferdams, and foundation pit support Temporary works. The cold-formed steel sheet pile is continuously rolled and formed by the cold-formed unit, and the side lock can be continuously overlapped to form a steel structure of the sheet pile wall. The cold-formed steel sheet pile is made of thinner plates (commonly used thickness is 8mm-14mm) and processed by cold-formed forming units. The production cost is lower and the price is cheap, and the fixed-length control is more flexible. However, due to the simple processing method, the thickness of each part of the pile body is the same, the cross-sectional size cannot be optimized, which leads to an increase in steel consumption; the shape of the lock part is difficult to control, the joint is not tightly buckled, and the water cannot be stopped; limited by the capacity of cold bending processing equipment, It can produce low-strength ste
The steel sheet pile is a kind of steel structure with a linkage device on the edge, and this linkage device can be freely combined to form a continuous and compact steel structure with a retaining wall or a water retaining wall.
Stainless steel round steel belongs to the category of long products and bars. The so-called stainless steel round steel refers to a long product with a uniform circular cross section
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