사각 파이프 탄소 사각 중공 섹션 강관

설명:


그만큼  직사각형  직사각형 파이프는  직사각형  파이프와 직사각형 파이프  금속  동일 및 동일하지 않은 파이프  한 면  길이. 스트립으로 되어있어요  금속  압연  ~을 통해  방법  치료. 일반적으로 스트립은  금속  포장을 풀고, 편평하게 하고, 말리고, 용접하여  구의  튜브는 다음으로 굴러갑니다.  직사각형  튜브 그리고 그 다음  줄이다  필요한 길이로.

명세서:

분류:

Process classification:

Square and rectangular tubes are divided in accordance to the manufacturing process: hot-rolled seamless rectangular tubes, cold-drawn seamless rectangular tubes, extruded seamless rectangular tubes, and welded rectangular tubes.



Material classification:

Square tubes are divided into simple carbon metal rectangular tubes and low alloy rectangular tubes in accordance to their materials.

1. Common carbon metal is divided into: Q195, Q215, Q235, SS400, 20# steel, 45# steel, etc.

2. Low alloy metal is divided into: Q345, 16Mn, Q390, ST52-3, etc.



Production widespread classification:

Square tubes are divided in accordance to manufacturing standards: country wide preferred rectangular tube, Japanese fashionable rectangular tube, British widespread rectangular tube, American fashionable rectangular tube, European wellknown rectangular tube, and non-standard rectangular tube.



Section form classification:

Square tubes are categorised in accordance to cross-sectional shape:

1. Simple cross-section rectangular tube: rectangular rectangular tube, rectangular rectangular tube.

2. Complex cross-section rectangular tubes: flower-shaped rectangular tubes, open-shaped rectangular tubes, corrugated rectangular tubes, and special-shaped rectangular tubes.



Surface remedy classification:

Square tubes are divided in accordance to floor treatment: hot-dip galvanized rectangular tube, electro-galvanized rectangular tube, oil-coated rectangular tube, and pickled rectangular tube.



Usage classification:

Square tubes are labeled by means of use: rectangular tubes for decoration, rectangular tubes for computing device equipment and equipment, rectangular tubes for equipment industry, rectangular tubes for chemical industry, rectangular tubes for metal structures, rectangular tubes for shipbuilding, rectangular tubes for automobiles, and rectangular tubes for metal beams and columns. , distinctive motive rectangular tube.



Wall thickness classification:

Square and rectangular tubes are categorised in accordance to wall thickness: extra-thick-walled rectangular and rectangular tubes, thick-walled rectangular and rectangular tubes and thin-walled rectangular and rectangular tubes.

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