Main Steel: Q345B, Q235B
Column&Beam: Welded or Hot rolled H-section
Wall&Roof: EPS, Rockwall, PU sandwich, corrugated steel sheet
Door: Rolled up door or Sliding door
Window: Plastic steel or Aluminum alloy window
Surface: Hot dip galvanized or painted.(all colors we can do)
Crane: 5T, 10T, 15T, etc.
|Item name||Material characteristics||Material Grade||Surface Treatment|
|Anchor bolt||Steel rod M24,M27,M30,M33,M39,M42||Q235B|
|Steel Column||H shape, Box, steel pipe, Hot rolled sheet||Q235B,Q345B||Paint or Hot dip galvanized|
|Steel Bracing||Steel rod, Steel pipe, Angle steel||Q235B,Q345B||Paint or Hot dip galvanized|
|Steel Beam||H shape, steel Truss, Hot rolled sheet||Q235B,Q345B||Paint or Hot dip galvanized|
|Steel Purlin||C or Z shape, steel purlin Thickness:1.8mm~3.0mm||Q235B,Q346B||Hot dip galvanized|
|External wall panel, Roof panel||Single colorful corrugate steel sheet, Sanwich panel with EPS, Rock wool, Pu, Glass wool etc.,||Steel T=0.426~0.8mm, insulation T=50~150mm||Alu-zinc 150g,|
|Door||Sliding or rolling door||Steel or Aluminum sheet,T=1.0~1.5mm||Paint or Hot dip galvanized|
|Window||Aluminium alloy-Glass, Alminium alloy-shutter||T=1.0~2.0mm||Alloy|
|Daylighting panel||FRP, T=1.5mm or T=1.8mm||Coefficient of thermal expansion:2.2x10-5/cm/||Light transmittance 85%|
|Ventilator||Turbine ventilator, ventilator along a slope, ventilator on a ridge||Steel,stainless steel, PC||Paint or Hot dip galvanized,304|
|Gutter||Galvanized Steel plate, stainless steel plate||T=2.0mm||Hot dip galvanized,304|
|Bolt||Ordinary, high strength, galvanized||10.9S,4.8s||Hot dip galvanized|
Steel structure office building fabrication process:
1. Prepare raw materials : cut steel plate or use internation size H section steel and angle steel, round tube, round steel, square tube etc.;
2. Assembly and welding: our welders will follow the drawings to assemble the steel members and weld them together as a entire beam/column/brace and so on; (Our quality inspector will check the steel pieces after finish welding, this is the first quality check)
3. Sand blast : After finish welding and polishing, our sand blast effect can reach internation 2.5 high grade, very good for resist rust; (Secondary quality check)
4.Paint : Within 2 hours after sand blast, all the steel members should be paint. Client can choose any color and any brand of paint. (The third quality check)
5. Inspect the goods by client : After we finish a part of fabrication work, we will invite clients to check the goods before we pack the steel frame.
6.Packing and loading : If clients require us to load the goods by close containers, we will pack the steel structure members one by one on the steel skid and tie the whole steel package well. (The fourth quality check )
High strength, light weight, good material, high reliability and short-duration high level of industrialization .
2.Capacity of engineer
*Based on the concept of modern design and corresponding national standards
*Most optimized design high-efficiently with the use of advanced internal aid design software, such as PKPM and 3D3S
*Complete set of production and installation drawings of steel structure to ensure the high-efficient and accurate operation
*Own light/heavy H steel production line, BOX production line ,C/Z purlin production line and various types of profiling steel sheet machines.
*The annual production capacity: main steel structure 20000mts,secondary steel 15000mts, various profiling steel sheet 300000 sqm annual
4.Our manufacture,installation experience
*12years of accumulation and exploitation.
*Formed our own complete set of building system for wall and roof of steel structure .
*Rich experience in waterproof and insulation technology. Support quality assurance of our clients.
Steel structure design common norms are as follows:
1.Steel Design Code" (GB50017-2003)
2.Cold-formed steel structure technical specifications" (GB50018-2002)
3.Construction Quality Acceptance of Steel" (GB50205-2001)
4.Technical Specification for welded steel structure" (JGJ81-2002, J218-2002)
5.Technical Specification for Steel Structures of Tall Buildings" (JGJ99-9)
Commonly used steel grades and performance of steel:
1.Carbon structural steel: Q195, Q215, Q235, Q255, Q275, etc.
2.High-strength low-alloy structural steel
3.Quality carbon structural steel and alloy structural steel
4.Special purpose steel