方矩管结构钢管

The Hollow section is divided into square and rectangular cold-formed hollow steel, referred to as square pipe and rectangular pipe, and the square pipe is divided into hot-rolled seamless pipe, cold-drawn seamless pipe, extruded seamless pipe and welded square pipe according to the production process.

There are various surface treatment methods, including hot-dip galvanized square pipe, electric galvanized square pipe, oil coated square pipe, pickling square pipe, etc.

Hollow section applications mainly include: decoration, machine tool equipment, machinery industry, chemical industry, steel structure, shipbuilding, automobile manufacturing, steel beam and column, and other special purposes.

方矩管黑钢管

空心型材分为方形和矩形冷弯空心型钢,简称方管和矩形管。 方管按生产工艺分为热轧无缝管、冷拔无缝管、挤压无缝管和焊接方管。

表面处理方法有多种,有热镀锌、电镀锌、涂油、酸洗等。表面处理方法有多种,有热镀锌方管、电镀锌方管、涂油方管、酸洗方管等。

空心型材应用主要包括:装饰、机床设备、机械工业、化工、钢结构、造船、汽车制造、钢梁柱、及其他特殊用途
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