Z20g-Z275g Zero/Mini/Regular/Big Spangle Hot Dipped Gi Coated Galvanized Steel Wave Sheets Steel Sheets Corrugated Roofing Sheet for Building Material

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Product Description

Basic Information
Standard ASTM, JIS, GB
Thickness 0.11mm - 6.0mm
Width 600mm - 1250mm
Zinc Coating 20 - 275 G/M2
Surface Treatment Galvanized, Chromated, Dry, Unoiled
Technique Hot Dipped
Spangle Minimized, Regular, Big, Zero
Application Construction, Automotive, Shipping, Containers
Production Capacity 10,000 Tons / Month
📦 Product Description
Galvanized steel is a kind of thin steel sheet dipped into a bath of dissolved zinc so that it sticks to a layer of zinc on the surface. It mainly uses a continuous galvanizing process which involves immersing steel coils in a zinc dissolved tank continuously to produce galvanized steel sheets and alloyed galvanized steel sheets. Heated to 500ºC immediately after emerging from the zinc tank, it forms an alloy film of zinc and iron, providing excellent coating adhesion and weldability.
Galvanized Steel Description
Grade SGCC, DX51D, A653, SGCH, Q235B
Length 1800mm to 3660mm or Customized
HS Code 7210410000
Delivery Within 10-30 days after contract
🏭 Factory Profile
Business Type Manufacturer / Factory
Main Products Galvanized Steel Coil, Galvalume Steel Coil, PPGI, PPGL, Corrugated Sheet
Production Lines 4 Dedicated Lines (GI, GL, PPGI, PPGL)
Plant Area 42,000 Square Meters
Main Markets North America, South America, Asia, Africa, Middle East
Factory Overview
🏗️ Application
The solid galvanized layer provides excellent corrosion resistance, good welding, and cold forming properties. Usage includes:
✔ Roofing and Wall Panels
✔ Corrugated Board Building Structures
✔ Deep Drawing Applications
✔ Home Electric Appliances
Steel Application
🔍 Quality Inspection & Packaging
Quality Inspection
Package 3 layers: Inner coil sleeve + waterproof paper + plastic film + iron sheet + steel strip
Loading Port Tianjin / Qingdao Port
Remarks Insurance covers all risks; third-party testing accepted
Packaging Details
🌐 Market & Product Range
Our products serve domestic and international markets including Southeast Asia, Middle East, Africa, Central and South America, Europe, and Australia.
Product Range 1 Product Range 2 Exhibition
🛠️ After-Sales Support
Service 1 Service 2
Frequently Asked Questions
Q1: What is the maximum zinc coating you can provide?
We offer hot-dipped galvanized steel with zinc coatings ranging from 20g/m² up to 275g/m² to suit different environmental requirements.
Q2: Can the length of the corrugated sheets be customized?
Yes, we provide standard lengths such as 1800mm, 2440mm, and 3000mm, but we can also customize the length according to your specific construction needs.
Q3: What are the main applications for these galvanized sheets?
They are primarily used in construction for roofing and wall panels, the manufacturing of cars, ships, containers, and household electric appliances.
Q4: How do you ensure the quality of the steel?
We conduct rigorous quality inspections and accept third-party testing. Our products meet ASTM, JIS, and GB standards and are ISO and RoHS certified.
Q5: What is your typical delivery timeframe?
Generally, delivery is completed within 10 to 30 days after the signing of the contract and receipt of payment terms (T/T or L/C).
Q6: What kind of packaging is used for sea export?
We use a 3-layer seaworthy export package including an inner coil sleeve, waterproof paper, plastic film, and a protective iron sheet secured with steel strips.

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