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槽鋼是截面為凹槽形的長(zhǎng)條鋼材，屬建造用和機(jī)械用碳素結(jié)構(gòu)鋼，是復(fù)雜斷面的型鋼鋼材，其斷面形狀為凹槽形。槽鋼主要用于建筑結(jié)構(gòu)、

幕墻工程、機(jī)械設(shè)備和車輛制造等。中國(guó)槽鋼的進(jìn)口量大于出口量。主要產(chǎn)地是唐鋼、包鋼、山鋼、黃特、馬鋼、宣鋼、日鋼等幾家鋼廠。

槽鋼的交貨長(zhǎng)度分定尺、倍尺二種，并在相應(yīng)的標(biāo)準(zhǔn)中規(guī)定允差值。國(guó)產(chǎn)槽鋼的長(zhǎng)度選擇范圍根據(jù)規(guī)格號(hào)不同分為5 ―12m 、5 ―19m 、

6 ―19m 三種。進(jìn)口槽鋼的長(zhǎng)度選擇范圍一般為6 ―15m 。

Trough steel is a long steel of groove shape, which belongs to carbon structure steel for construction and machinery. It is a section steel with complex section,

and its section shape is groove shape. Trough steel is mainly used in building structure, curtain wall engineering,

mechanical equipment and vehicle manufacturing. China's trough steel imports are more abundant than its exports. The main producing areas are tang steel,

Baotou steel, mountain steel, Huangte, Masteel, Xuan steel, Japan steel and other steel mills. The delivery length of groove steel is divided into two types:

fixed ruler and double, and the tolerance value is specified in the corresponding standard.

The selection range of the length of domestic groove steel is divided into 5-12m, 5-19m and 6-19m according to different specification numbers.

The length selection range of the inlet groove steel is generally 6- -15m.