Reliable Galvanized Steel Supplier for Global Projects – Large Inventory, Custom Sizes & Export Support

Overview

As an experienced galvanized steel coil and sheet supplier, CJM provides hot dipped galvanized steel plates, coils, and cut-to-length sheets for construction, fabrication, and industrial applications. Our GI steel products are manufactured in accordance with international standards and supplied with stable zinc coating, accurate thickness control, and consistent mechanical performance.

We supply galvanized steel coils and sheets based on multiple base grades, including ASTM A653 CS Type A/B, EN 10346 DX51D, JIS G3302 SGCC, and high-strength Q355B for structural applications. CJM supports bulk supply, flexible MOQ, customized specifications, and reliable global delivery for distributors, contractors, and OEM buyers worldwide.

What Is Galvanized Steel Plate?

Galvanized steel plate refers to carbon steel sheet or coil coated with a protective zinc layer through the hot-dip galvanizing process. The zinc coating forms a corrosion-resistant barrier that significantly extends service life in both indoor and outdoor environments.

Available Sizes & Thickness of GI Sheet

We supply galvanized steel plates and coils in a wide range of thicknesses and widths to meet different fabrication and structural requirements.

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 thicknesses, widths, and cut-to-length sheets are available upon request.

Product Specifications – Galvanized Steel Coil & Sheet

CJM supplies hot dipped galvanized steel coils, sheets, and plates for export projects, covering standard GI grades and customized specifications. Typical supply standards include ASTM A653, EN 10346, and JIS G3302. Both coil and cut-to-length sheet formats are available with flexible MOQ, customized zinc coating weight, and project-based specifications.

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.

• For projects requiring higher strength and load-bearing capacity, CJM can supply Q355B galvanized steel coil and sheet based on project requirements.
• For general construction and fabrication, CJM also supplies standard galvanized steel coils and sheets based on ASTM A653, DX51D, and SGCC.

Mechanical Properties – Galvanized Steel Plate & Coil

Grade	Standard	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Notes
SGCC	JIS G3302	≥ 205	270–500	≥ 22	General commercial use
DX51D+Z	EN 10346	≥ 195	270–500	≥ 22	Widely used in construction & fabrication
Q195–Q235	GB/T 700 (Base Material)	195–235	315–450	≥ 26	Structural applications
CS Type A/B	ASTM A653	≥ 205	270–440	≥ 20	Meets ASTM coating standards

Mechanical properties comply with ASTM, EN, and JIS standards. Values vary by thickness and grade. Customized grades are available upon request.

Advantages of Hot Dipped Galvanized Steel Sheet

• Corrosion Resistance: Zinc coating protects steel from rust and oxidation.
• Versatility: Suitable for fabrication, framing, HVAC, electrical and more.
• Weldability: Can be welded with appropriate ventilation or pre-treatment.
• Cost-Effective: Long-term protection with minimal maintenance.

Looking for 1/4 galvanized steel plate for welding or 1/16 GI sheet for ducting? We’ve got you covered.

Applications of Galvanized Steel Plate & Coil

• Construction & structural fabrication (frames, beams, brackets)
• HVAC and air ducting
• Trailers, containers, and chassis parts
• Cable trays and electrical panels
• Flooring and anti-slip platforms
• Industrial equipment & OEM components

For flooring and anti-slip applications, we also supply hot dip galvanized checkered plates in both coil and sheet formats.

Why Choose CJM as Your Galvanized Steel Supplier?

• Stable supply of galvanized steel coils, sheets, and plates for export projects
• Flexible MOQ, customized cutting, and project-based specifications
• Zinc coating and thickness options from 1/16″ to 1/2″ galvanized steel plate
• Supply based on ASTM A653, EN 10346, JIS G3302, and Q355B
• Export experience serving Southeast Asia, the Middle East, Africa, Europe and the Americas
• Competitive pricing with stable supply and fast delivery

As a China-based galvanized steel coil and sheet supplier, CJM supports bulk orders, OEM processing, and long-term supply for overseas projects.

Packing & Shipping

• 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 & Sheet

• Q: What is the typical thickness range of galvanized steel sheet?
  A: From 0.3 mm up to 12.7 mm, including common options such as 1/16″, 1/8″, 1/4″, and 1/2″ galvanized steel plate.
• Q: What is your MOQ for galvanized steel coil or sheet?
  A: MOQ depends on specification and grade. Flexible MOQ is available for standard GI coils and sheets for export orders.
• Q: Can you provide customized zinc coating and sizes?
  A: Yes. We offer customized thickness, width, zinc coating weight (Z40–Z275), and cut-to-length sheets based on project requirements.
• Q: Do you provide quotes for bulk galvanized steel coil orders?
  A: Yes. We provide fast quotations for bulk and long-term supply, including coil and sheet formats.
• Q: Do you supply standard galvanized steel coils such as ASTM A653 or DX51D?
  A: Yes. CJM supplies standard hot dipped galvanized steel coils and sheets based on ASTM A653, EN 10346 DX51D, and JIS G3302 SGCC, in both coil and cut-to-length formats for export projects.
• Q: Where can I source hot dipped galvanized steel sheet for export projects?
  A: CJM supplies hot dipped galvanized steel coils and sheets with global shipping support for overseas construction and industrial projects.

Get a Quote Today

Looking for a reliable galvanized steel coil, sheet, or plate supplier for your next project?

Contact Us for specifications, pricing, and technical support.

Related Article: Understanding Galvanized Steel Thickness and Sizes: A Comprehensive Guide

Q: What is your company’s main products/services?

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