Square ( Cold Formed ) 方钢管  ( 冷轧 )

Rectangular ( Cold Formed ) 矩型钢管( 冷轧 )

Circular ( Cold Formed ) 圆钢管( 冷轧 )

Square ( Hot Finished ) 方钢管( 热轧 )

Rectangular ( Hot Finished ) 矩型钢管( 热轧 )

Circular ( Hot Finished ) 圆钢管( 热轧 )

Specifications 规格