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Warehouse Q235B Low Tolerance Steel Structure Building

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Warehouse Q235B Low Tolerance Steel Structure Building

Warehouse Q235B Low Tolerance Steel Structure Building
Warehouse Q235B Low Tolerance Steel Structure Building

Large Image :  Warehouse Q235B Low Tolerance Steel Structure Building

Product Details:
Place of Origin: China
Brand Name: KAFAFAB
Certification: BV,SGS
Model Number: Steel structure
Payment & Shipping Terms:
Minimum Order Quantity: 20T
Price: Negotiate
Packaging Details: Nude pack or steel pallet
Delivery Time: 6 weeks
Supply Ability: 2000T/MONTH
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Warehouse Q235B Low Tolerance Steel Structure Building

Description
Material: Welded H Beam, Angle Steel Round Bar,pipe Paint: Alkyd Primer, DFT 80UM
Structure: Gable Frame Application: Warehouse Frame
Grade: Q235B Q345B Purlin: Cold Rolled Galvanized C/Z Purlin
Life Time: Up To 50 Years Color: As Per Requirement
High Light:

Low Tolerance Steel Structure Building

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Q235B Steel Structure Building

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Alkyd Primer Steel Structure Building

Low tolerance high strength steel structure building

 

Introduction to Steel Structure Building

 

Structural steel is one of the materials used in any kind of steel structure, and it has a specific shape. These steels have certain chemical composition and appropriate strength standards. Steel is also defined as a hot-rolled product with cross-sections such as angle steel, channel steel and beams. Worldwide, the demand for steel structures continues to grow.

 

Compared with concrete, steel has great advantages because it has better tensile and compressive capacity, thereby reducing the burden on construction. The steel authority of a specific country/region is responsible for the supply of structural steel for construction projects.

 

There are various structures under the edge of the steel structure. These structures can be used for industrial, residential, office and commercial purposes. The purpose of the bridge is to be used for roads and railway lines. Structures such as towers are used for different purposes, such as power transmission, node towers for mobile networks, radars, telephone relay towers, etc.

 

Main parts of the steel structures and technical parameters:

 

Main Steel Frame System
Main structure H section steel Q345, alkyd painting, two primary painting, two finish painting.
Roof purlin XZ160*60*20*2.5, galvanized
Wall purlin XZ160*60*20*2.5, galvanized
Intensive bolt Grade 10.9
Turn buckle bolt M20+2, steel Q235, processing
Anchor bolt M24, steel Q235, processing
Ordinary bolt Galvanized bolt M20
Ordinary bolt Galvanized bolt M12
Brace nut Galvanized bolt M12
Bracing System
Cross brace Φ20 round steel bar Q235, process and painted (alkyd painting)
Angle brace L50*5 angle steel Q235, process and painted (alkyd painting)
Column bracing Φ25 round steel bar Q235, process and painted (alkyd painting)
Tie bar Φ127*3 steel pipe Q235, process and painted (alkyd painting)
Batter brace Φ32*2.5, Φ12 round steel bar Q235, process and painted (alkyd painting)
Wall & Roof System
Roof panel Corrugated steel plate or sandwich panel (EPS/fiber glass/rock wool/PU)
Wall panel Corrugated steel plate or sandwich panel (EPS/fiber glass/rock wool/PU)
Edge cover 0.4mm color plate, angle Alu.
Fittings & accessories Nails, glue etc.
Unpowered ventilator Diameter Φ600, stainless steel
Sky lighting band 1.2mm FRP, double layer
Sliding door sandwich panel door
Roof drainage system
Gutter 0.5mm color steel plate
Rainspout pipes Φ110 PVC pipe

 

The structure can be divided into the following categories:
 
Frame building
Plate beam
Steel arch bridge
Industrial building
Transmission line tower
 
Advantages and disadvantages of steel structure:
 
Generally, the advantages of steel structure are as follows:
 
Steel has a high strength-to-weight ratio. Therefore, the weight of the steel structure is relatively small. This characteristic makes steel a very attractive structural material for some multi-storey buildings and long-span bridges.
Plastic deformation will occur before failure. This provides greater reserves. This property is called malleability.
The properties of steel can be predicted with great certainty. In fact, steel shows elastic behavior up to relatively high and usually well-defined stress levels.
Steel structures can establish high-quality relationships and narrow tolerances.
Steel structures can usually be prefabricated and mass produced.
It can be quickly constructed in steel structures. This leads to the economic construction of steel structures.
Good fatigue strength is also the advantage of steel structure.
If necessary, the steel structure can be reinforced at any time in the future.
The ability to reuse steel structures is also an advantage.
Generally, the disadvantages of steel structures are as follows:
 
Steel structures are more expensive than other types of structures.
When heated at temperatures normally observed in a fire, the strength of the steel is greatly reduced. Therefore, fire protection is required.
Like bridges, steel structures are likely to corrode when exposed to air and water and require regular maintenance.
 
Steel properties
Steel is an alloy of iron and carbon. By adding a small amount of manganese, sulfur, copper, phosphorus, chromium and nickel, iron can be given special properties, so various steels can be produced. Generally, the effects of different chemical compositions on steel are as follows:
 
The increase in carbon and manganese content will cause properties such as higher tensile strength and yield strength, but lower ductility and more difficult welding.
 
If the content of sulfur and phosphorus is increased to more than the percentage, it will cause brittleness, which will affect the welding ability and fatigue strength.
The content of chromium and nickel will cause the corrosion resistance of steel, and can also improve its high temperature resistance.
The corrosion resistance can be improved by adding copper.
Subtle changes in chemical composition will lead to the production of various types of steel. This type of steel is used as structural members, such as tubes, plates, tubes, bolts, rivets, steel bars, etc.
 
The heat treatment and alloys used in steel production lead to different properties and strengths. The mechanical properties of structural steel are as follows:
 
tensile strength:
Generally, the stress-strain curve of steel is obtained by conducting a tensile test on any standard steel sample. The tensile strength of steel can be defined in terms of yield strength and ultimate strength.
 
hardness:
Hardness is considered to be the resistance of any material to identification and scratching. It is usually determined by pressing the indenter against the surface. The resulting deformed steel is both elastic and plastic. Different methods to find out the hardness of metals include Brinell hardness test, Vickers hardness test and Rockwell hardness test.
 
Notch toughness:
There is the possibility of microscopic cracks in the material, or due to multiple loading cycles, the material may develop such cracks. These cracks may cause the structure to collapse suddenly, which is very dangerous. Therefore, to ensure that this does not happen, it is best to use materials with slow crack growth. These types of steel are called notched ductile steels, and the energy absorbed is measured by impacting notched specimens.
 
Fatigue strength:
If the same load is applied multiple times periodically, structural components designed to carry a single monotonic static load may fail. If you consider the example of a thin rod, it will fail if it bends back and forth beyond yielding after several repeated bends. This type of failure is called fatigue failure. For example: bridges, cranes, offshore structures, slender towers, etc.
 
Corrosion resistance:
Corrosion is a process in which metals will be oxidized under normal atmospheric conditions due to excessive moisture and oxygen in the air. In areas with high humidity and near salt water, metal corrosion is a very natural and rapid phenomenon. Therefore, efforts to control corrosion by using galvanized and epoxy-coated steel bars have failed in actual use due to the risk of dissolution leading to accelerated corrosion. Corrosion-resistant elements such as copper, phosphorus and chromium are appropriately added to the metal to form corrosion-resistant steel.

Tag:

structural steel frame construction,

prefabricated steel construction,

lightweight steel frame construction

Contact Details
Qingdao KaFa Fabrication Co., Ltd.

Contact Person: Alice Lee

Tel: 0086 13969825647

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