Large Span Metal Prefabricated Building Galvanizing Production Factory Workshop

Steel Structure System

Specification

Main Steel Frame

Column

Q235b, Q355b ,H Steel, Box Steel, RHS, SHS, CHS

Beam

Q235b, Q355b ,H Steel, Box Steel, RHS, SHS, CHS

Secondary Frame

Purlin

Q235b C / Z Purlin, SHS, RHS

Knee brace

Q235b Angle Steel

Tie beam

Q235b Circular Steel Pipe

Brace

Q235b Round Bar

Vertical and Horizontal Support

Q235b Angle Steel, Round Bar or Steel Pipe

Maintenance system

Roof Panel

PPGI PPGL Steel Sheet

Insulated Sandwich Panel (EPS /Glass Fiber /
Rock Wool / PU)

Wall Panel

Accessories

Window

Aluminum Alloy Window / PVC Window

Door

Sliding Door / Rolling Up Shutter / Man Door

Rain-spout

PVC-U

Option

Parapet; Canopy; Shed;

Glass Curtain Wall; Aluminum wall panel

Welding Process of Manual arc welding

Preparation for operation → Arc welding (downward welding ,vertical welding, overhead welding, horizontal welding) → Weld line inspection

Connection Process of Torsional shear type high-strength bolt

Preparation for operation → Select and match bolts → Assembly of joints → Temporary bolts of the device → High-strength bolts of the device → Tighten the high-strength bolts → Final inspection

Manufacturing Process of steel roof truss

Processing preparation and blanking → Processing parts → Small device (small assembly) → General device (general assembly) → Roof frame welding → Support joint plate, purlin, angle device, welding → Product inspection → Rust removal, Paint&Number

Steel structure anti-corrosion coating process

Base surface cleaning → Primer coating processing → Topcoat coating processing→ Inspection

Technical Process of steel structure fire-proof coating

Preparation → Batching, mixing of Fire retardant coating → spraying → Inspection