per galvanized square pipe 、hot dipped galvanized 、black square pipe 、square tube
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per galvanized square pipe 、hot dipped galvanized 、black square pipe 、square tube
Square srtructural steel pipes is generally made of welded pipe, easy to cut and shape, suitable for all structural applications. Steel square pipe is widely used for industrial maintenance, agricultural tools, transportation equipment, trailers, frames, etc. We can offer many size square steel pipe acoording to ASTM A513 or ASTM A500 B.
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