Customized Gi Steel Galvanized Steel Coil

Galvanized steel coil

Standard Range: 600–2000
Common Sizes: 1000, 1250, 1500

Range: 0.2–3.0
Categories:- Ultra-thin (0.2–0.5)- Standard (0.5–1.5)- Thick (1.5–3.0)

Weight (both sides): 60–275 g/m² (30–137.5 g/m² per side)
Equivalent Thickness: 8–38 μm (zinc density: 7.14 g/cm³)

Range: 5–20 tons
Standard Dimensions:- Inner Diameter: 508mm (20")- Outer Diameter: 1000–1500mm

Spangle Type:,Regular Spangle,Small Spangle,Spangle-Free
Post-Treatment: Oiled,Chromated,Anti-Fingerprint

Range: 270–700 MPa
Grades: Commercial Grade (270–350),High Strength (350–550).Ultra-High Strength (550–700)

Range: 80–180 HV
Categories: Soft (80–120 HV, high ductility),Semi-Hard (120–150 HV),Hard (150–180 HV)

Range: 140–550 MPa
Categories: Low Yield (140–220),Medium Yield (220–350),High Yield (350–550)

Range: 10–35%
Typical Values: Commercial Grade (≥20%),High Strength (≥12%)

Process Flow: 1. Degreasing → 2. Annealing → 3. Hot-Dip Galvanizing → 4. Spangle Control → 5. Chromating/Oiling
Special Treatments: Phosphating,Self-Lubricating Coating

Global Standards:GB/T 2518 (China): SGCC/SGCH,ASTM A653 (USA): CS Type B/G90,EN 10346 (Europe): DX51D/DX53D,JIS G3302 (Japan): SGCC/SGH340

Commercial Quality (CQ),Drawing Quality (DQ),Deep Drawing Quality (DDQ),Structural Grade (S)

Protection: VCI paper/PE film wrapping,Steel edge guards + strapping,Palletized (for export)
Labeling: Laser marking (material, standard, batch),Tags (weight, dimensions)

1. Appliances 2. Construction 3. Automotive 4. Electrical