1.17 years experience 2.we are the manufcturer 3.QS9001 4.aim market: all over the world

steel structure We can fabricate and install all kinds of steel structure buildings.

Qingdao Yongchang Iron and Plastic Co.,Ltd.

Main Grade: Q345B,Q235B

Standard:ISO9001:2000

Certificate:AWS Welder Passport From USA

Steel structure design common norms are as follows:

"Steel Design Code" (GB50017-2003)"Cold-formed steel structure technical specifications" (GB50018-2002)"Construction Quality Acceptance of Steel" (GB50205-2001)"Technical Specification for welded steel structure" (JGJ81-2002, J218-2002)"Technical Specification for Steel Structures of Tall Buildings" (JGJ99-9)

Commonly used steel grades and performance of steel

Carbon structural steel: Q195, Q215, Q235, Q255, Q275, etc.High-strength low-alloy structural steelQuality carbon structural steel and alloy structural steelSpecial purpose steel

Specifications:

Main Steel: Column and beam(H-section), square steel tube,C/Z purlin

Conection Method: Welding or hot rolled or cold rolled

  

Door: Rolled up door or Sliding door(sandwich panel)

Window: Plastic steel or Aluminum alloy window

Surface: Hot dip galvanized or painted.(all colours we can do)

Crane: 5T,10T,15T,ect.

Bolt: Foundation bolt(M24,Q235),

          High strengthen bolt(M20X70) ,

          Normal bolts(M16x50;M12X30)

 Drawings&Quation:

 1.Customized design to welcome.

2.As long as you like, we can design and provide drawings for you.

3.In order to give yo an exactly quotation and drawings,pls tell us the ;Length,width,eave height and local weather. we'll quote for you asap.

 

 Tems:

 

 Payment :  L/C or by T/T(30% prepaid as depsit, the balance 70% before shipment)

Delivery time : 15~40 days,usually as customers's order

Shipment : 20'GP, 40'GP,40'HQ, 40'OT or in bulk 

steel roof construction structures