Looking for a reliable galvanized steel coil supplier for bulk orders or international projects?
CJM supplies hot dipped galvanized steel coils, sheets, and plates based on ASTM A653, EN 10346, and JIS G3302 standards. We support both standard GI steel grades (DX51D, SGCC) and high-strength Q355B galvanized steel for structural and heavy-duty applications.
✔ Bulk supply with flexible MOQ
✔ Custom zinc coating (Z40–Z275)
✔ Cut-to-length sheets & OEM processing
✔ Export delivery to 50+ countries
Send us your requirements to get a quotation within 24 hours.
We supply galvanized steel coils, sheets, and plates based on international standards:
Item
Details
Standard
ASTM A653, JIS G3302, EN 10346
Base Material
SPCC, SGCC, DX51D, Q195–Q235, Q355B
Zinc Coating*
40–275 g/m² (Z40–Z275)
Width
600–1500 mm
Length
Custom cut or coil
Surface
Spangle / Zero spangle / Oiled / Dry
Edge
Mill edge / Slit edge
Packing
Standard seaworthy export packing
Zinc coating weight can be specified as single-side or double-side according to project requirements.
Galvanized Steel Coil, Sheet & Plate Supply
As an experienced galvanized steel coil supplier, CJM provides hot dipped galvanized steel in coil, sheet, and plate formats to meet different fabrication and project requirements.
Galvanized Steel Coil (GI Coil) – Ideal for large-scale manufacturing, roll forming, and continuous processing
Galvanized Steel Sheet – Cut-to-length sheets for fabrication, ducting, and panels
Galvanized Steel Plate – Thicker materials for structural and load-bearing applications
We support custom sizes, zinc coating specifications, and export packaging based on project needs.
Q355B Galvanized Steel Coil for Structural Applications
For projects requiring higher strength and load-bearing capacity, CJM supplies Q355B galvanized steel coil and sheet with customized coating and processing options.
Compared with standard GI grades such as DX51D or SGCC, Q355B offers:
Higher yield strength for structural use
Better performance in heavy-duty environments
Suitable for industrial fabrication, frames, and load-bearing components
CJM supports bulk supply of Q355B galvanized steel coil for export projects, including customized thickness, zinc coating, and cut-to-length processing.
cut to length galvanized steel sheets and plates with consistent zinc coating and surface quality
Available Sizes & Thickness
We supply a wide range of thickness options for different applications:
Thickness (mm)
Inch Equivalent
Inch Equivalent
1.6 mm
1/16″ galvanized steel plate
HVAC, ducting, brackets
3.2 mm
1/8″ galvanized steel plate
Framing, fabrication
6.4 mm
1/4″ galvanized steel plate
Heavy structures
12.7 mm
1/2″ galvanized steel plate
Industrial base plates
Custom sizes and specifications are available for bulk orders and project supply.
Applications of Galvanized Steel Coil & Sheet
Galvanized steel is widely used across construction and industrial sectors:
Construction & structural fabrication (frames, beams, brackets)
Why Choose CJM as Your Galvanized Steel Coil Supplier
Stable supply for bulk and long-term orders
Support for ASTM, EN, and JIS standards
Experience with international contractors and distributors
Flexible MOQ and customized specifications
Fast quotation within 24 hours
Export packaging and global logistics support
As a China-based galvanized steel coil supplier, CJM supports OEM processing and international project supply.
Packing & Shipping
Hot dipped galvanized steel plates packed with waterproof paper and steel strapping securely stacked for export shipment
Standard export packaging: Waterproof paper + steel strapping
Custom packaging solutions available
Container loading optimization for cost efficiency
Flexible shipping terms (FOB, CIF, etc.)
FAQs About Galvanized Steel Coil Supplier
Q: What is your MOQ for galvanized steel coil? A: MOQ depends on specification and grade. We support flexible MOQ for standard GI coils and sheets.
Q: Can I buy Q355B galvanized steel coil in bulk? A: Yes. CJM supplies Q355B galvanized steel coil for structural and heavy-duty applications with export support.
Q: Do you supply ASTM A653 galvanized steel? A: Yes. We supply galvanized steel based on ASTM A653, EN 10346, and JIS G3302 standards.
Q: Can you provide customized zinc coating and sizes? A: Yes. We support customized thickness, width, zinc coating (Z40–Z275), and cut-to-length processing.
Q: How fast can I get a quotation? A: We typically provide quotations within 24 hours based on your specifications.
Get a Quote Today
Looking for a reliable galvanized steel coil supplier or Q355B galvanized steel pricing?
Send us your requirements, including:
Thickness
Width
Zinc coating
Quantity
Our team will provide a fast and accurate quotation for your project.
A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.
Q: Can I go to your factory for a visit?
A: Of course, we welcome customers from all over the world to visit our factory.
Q: What are your terms of payment?
A: 30% T/T deposite and 70% balance before shipment.
Q: What is your delivery time?
A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.
Q: Do you provide samples? Are they free or paid?
A: Samples are available for free,but the courier freight will be covered by customer account.
Q: Do you accept the third party inspection?
A:Yes, we fully accept third-party inspections.
Q: Why should I buy from you not from other suppliers?
A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.
Q:How can you guarantee quality?
A: Always a pre-production sample before mass production;Always 100% inspected before shipment
Monel 500 Plate is a high-strength, corrosion-resistant alloy, ideal for marine and chemical environments, offering excellent fatigue resistance and durability.
Buy structural cold rolled steel plate in grades Q355B, Q345B, S355JR, and more from CJM – China’s expert steel exporter. Accurate specs, large stock, and global shipping.