Main Grade: Q345B,Q235B 

Standard:ISO9001:2000

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 steel
• Quality carbon structural steel and alloy structural steel
• Special 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

Wall&Roof: EPS,Rockwool,PU sandwichpanel, Corrugated steel sheet with fiber glasswool

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

prefab steel warehouse/steel structure