Grade Q235, or equivalent to ASTM A36. Grade Q345, equivalent to ASTM A572 Standard: JIS, DIN, ASTM B695-2000

                prefab house Main material list as following

 

1.Material:                Grade Q235, or equivalent to ASTM A36.

 

                                Grade Q345, equivalent to ASTM A572.

 

2.Wall:                50mm/75mm thick EPS/Rockwool/PU sandwich panel

3.Roof:               50mm/75mm thick EPS/Rockwool/PU corrugated sandwich panel

4.Window:          UPVC or Aluminum sliding window

5.Door:              Aluminum frame with panel same as wall panel

 

6.Welding:               Single level butt welding, fillet welding by electric arc welding, and Gas shielded welding.

 

7. Surface treatment: Hot dip Galvanized, powder coated, baking varnish, Zinc primer, Red primer

 

   A, Hot dip galvanize

 

      1), standard: JIS, DIN, ASTM B695-2000

 

      2), Hot dip galvanizing hole cutting good looking on surface of

 

      Galvanizing process:

 

      Galvanizedpre-treatment→Hot-dip→ Galvanizedend → make smooth → Deburring →Finished product 

      inspection.

 

  B, paint

 

     1), Primer paint one coat   20-40 um

 

     2), middle paint two coat   40-60 um

 

     3), finish paint one coat   60-80 um

 

     Paint Type: 1), red primer

 

                        2), zinc primer

 

                        3), Alkyd primer

 

8, Packing: steel channel bundles and load in container

 

9, Workshop pre-install for Check the product

   

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