Manufactory galvanized prefabricated steel warehouse

Item Name:

Steel warehouse

Material:

Grade Q235, equivalent to ASTM A36.

Grade Q345, equivalent to ASTM A572.

Section:

Any product shape according to customer's requirements

Certification:

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

Base

Cement and steel foundation bolts

Main frame

H beam

Purlin

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

Bracing

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

Bolt

Plain bolt and High-strength bolt

Roof &wall

Sandwich panel or color plate

Door

Sliding or rolling door

Window

Aluminum alloy window 

Sheet

0.5mm or 0.6mm galvanized sheet

Accessories

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

Surface Treatment of steel warehouse                                                       

Hot dip galvanize of steel warehouse

• 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

Paint of steel warehouse

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