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
)