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Quick Details

  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Grade: steel
  • Dimensions: to order
  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: each metal
  • Model Number: Q345B Q235B
  • Type: Heavy
  • Application: Steel Fabricated House, Workshop,Warehouse
  • Material: Grade Q135,Q235,Q345
  • Certification: ISO,GB,ASTM,BS,AISI,DIN,JIS
  • Color: Customized
  • Sand Blast: Sweden SA 2.5 Sand blasting
  • Surface treatment: Hot dip galvanized, Epoxy zinc rich primer
  • Welding Testing: Ultrasonic Testing, X-ray Testing
  • Manufacturing Technology: Drilling, Cutting, Assembling, Welding, Rectification, Testing etc
  • Roof & Wall: Sandwich panel or color plate

Packaging & Delivery

Packaging Details standard exported package to ensure the products avoiding damage or according to customs' demands
Delivery Time within 30 days after receiving the advanced payment

light steel structure---specification

Brand Name

Each Metal

Item Name:

Steel Structure Building


Grade Q235, equivalent to ASTM A36.

Grade Q345, equivalent to ASTM A572.


Any product shape according to customer's requirements


ISO quality system, Chinese GB50221-2001

Sand Blast:

Sweden SA 2.5 Sand blasting

Welding Technology:

Single level butt welding, fillet welding by electric arc welding, 

and Gas shielded welding.

Surface treatment:

Hot dip galvanized, Epoxy zinc rich primer

Standard: ISO1461(1999),JIS H 8641-1999,ASTM A 123/A 123M-02

Welding Testing

Ultrasonic Testing, X-ray Testing

Manufacturing Technology

Drilling, Cutting, Assembling, Welding, Rectification, Testing etc


Main Components


Cement and steel foundation bolts

Main frame

H beam


C or z purlin: Size from C120~C320, Z100~Z20


X-type or other type bracing made from angle, round pipe, etc


Plain bolt and High-strength bolt

Roof &wall

Sandwich panel or color plate


Sliding or rolling door


Aluminum alloy window 


0.5mm or 0.6mm galvanized sheet


Semi-transparent skylight belts,Ventilators, down pipe, Galvanized gutter, etc


The reason for choose each metal

  • Ø Workshop pre-install.
  • Ø Professional on-site guidance
  • Ø Ensure the product quality.
  • Ø Timely service and progress
  • Ø Production according welding rules a = 0.7 x thickness of web
  • Ø Continuous welding on both sides of each pieces
  • Ø Mark every beam on the bottom plate for being saw after being galvanized
  • Ø Send pictures to the buyer by mail during products being processed
  • Ø We have 17 years experience of designing and producing steel structure building
  • Ø Locating in the Shanghai, only need 1 hour by car, the land transport cost cheaper
  • Ø Our engineers with 20 years steel structure design experience and advanced design software and strict 
  •        design design attitude

Surface Treatment

Hot dip galvanize

  • Ø Standard: JIS, DIN, ASTM B695-2000
  • Ø Hot dip galvanizing hole cutting good looking on surface of
  • Ø Galvanizing process:

     Steel structural components →Degreasing →Rinsing→ Pickling →Rinsing →

     Fluxing → Galvanizing →Quenching → (Passivation) → Inspecting →Finished Product



1.Primer paint one coat 20-30 um

2.Middle paint two coat 40-60 um

3.Finish paint one coat 20-30 um

Paint type: 1,red primer  2,zinc primer  3,Alkyd primer


 The products : 

The processing:


Welcome to contact us  if you have interest in our products ,  we will provide you professional and better service.

 Looking forward to future cooperation with you!

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China (Mainland) | Manufacturer, Trading Company
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