1. ㈜서광기연 ㈜서광기연 Presentation 0f medium industry 2008013435 Kang gyung gu

2.  What is Seo Kwang  What they’re manufacturing  What is 후육관  Manufacturing of 후육관 Index

3. What is Seo Kwang

4. What they’re manufacturing Yes!!! They manufacturing only steel pipe

5.  厚 두터울 후  肉 둘레 육  管 대롱 관 What is 후육관 ? The Thick pipe

6.  말 그대로 보통 강관보다 내부 철강재가 두 꺼운 강관을 가리키는 것으로 주로 송유관 이나 가스관 등 에너지 배관시설, LNG 기지, 대형 수도관, 대형 구조관, 그리고 콘크리트 충전강관 (CFT:Concrete Filled Tube) 공법 을 활용한 교량 거더용 등으로 활용되는 제 품이다. What is 후육관 ?

7.  Categorize of steel plate  Save in storage Manufacturing of 후육관

8.  Using a CNC, edge of steel plate cutting Manufacturing of 후육관

9.  In advance, both side of this plate bending Manufacturing of 후육관

10.  Added force at the plate, center of this plate bending Manufacturing of 후육관

11.  Using a roll bending machine, insert the plate  hole of this plate shape rounded Manufacturing of 후육관

12.  Last procedure of bending plate  Edge of plate bending naturally Manufacturing of 후육관

13.  Pre welding  Using a GMAW  Some point welding Manufacturing of 후육관

14.  Using a SAW, welding a two edge Manufacturing of 후육관

15.  Same method of inside welding Manufacturing of 후육관

16.  Reforming the shape of pipe  Because of strain heat treatment Manufacturing of 후육관

17.  Using a gas cutting  Faces are smooth Manufacturing of 후육관

18.  Hydro Test Manufacturing of 후육관

19.  Ultrasonic Test Manufacturing of 후육관

20.  X-ray Test Manufacturing of 후육관

21.  Packing and shipping  delivery to customer Manufacturing of 후육관

22. Have a nice day Thank you