용접 강관
정사각형 용접 된 철강 파이프 ERW SHS 홀 섹션 Q235B Q355B S235JR 건설 / 구조용
사각 용접 강관 | ERW SHS 중공 섹션 | Q235B Q355B S235JR | 20x20–400x400mm
온실 프레임에 대한 직사각형 / 정사각형 웰딩 홀 섹션 튜브
Rectangular & Square Welded Hollow Section For Greenhouse Frame Product Description Square and rectangular steel tube (also called hollow section) is manufactured by forming steel coil into round tube and then reshaping it into square or rectangular form through ERW welding. It offers excellent ...
엔지니어링용 블랙 어닐링 중공형 용접 사각 튜브
Black Annealed Square Hollow Section Welded Square Tube For Engineering Product Description Square and rectangular steel tube (also called hollow section) is manufactured by forming steel coil into round tube and then reshaping it into square or rectangular form through ERW welding. It offers ...
