Bao Steel (Qingdao) Co., Ltd.

Galvanized Steel Coil · DX51D+Z · SGCC · ASTM A653 · GI Coil · Slit Coil

Galvanized Steel Coil Supplier

Bao Steel (Qingdao) Co., Ltd. supplies galvanized steel coil for roofing sheet production, ducting, roll forming, construction parts, appliance panels, enclosures, storage systems and general fabrication. Available galvanized coil range includes thickness 0.1–5.0mm, width 12.7–2000mm, zinc coating 30–275g/m² and coil ID 508mm / 610mm.

Common Galvanized Steel Coil Grades and Supply Types

Choose the Galvanized Steel Coil Standard or Application You Need

Galvanized steel coil quotation should start from standard, base grade, zinc coating, spangle, surface treatment and downstream use. You can choose from common options such as DX51D+Z, SGCC, ASTM A653, Q195/Q235 galvanized coil, roofing coil and slit galvanized coil, then confirm thickness, width, zinc coating, coil ID, coil weight, packing and destination.

Send Inquiry
DX51D+Z

DX51D+Z Galvanized Steel Coil

Common EN galvanized steel coil for roofing sheet production, roll forming, building panels, ducting, fabrication and construction material supply.

Common standard: EN 10346 DX51D+Z, coating and surface condition subject to buyer requirement
  • Used for forming, profiling, roofing sheet and general fabrication
  • Zinc coating 30–275g/m² can be discussed according to application
  • Spangle, passivation, oiling and dry surface should be confirmed
Send DX51D+Z Specs →
SGCC

SGCC Galvanized Steel Coil

JIS galvanized steel coil commonly requested for sheet processing, roofing materials, appliance parts, light fabrication and distribution orders.

Common standard: JIS G3302 SGCC / SGCD or equivalent galvanized coil requirement
  • Commonly used in Asian and export galvanized coil procurement
  • Surface appearance and coating requirement should be confirmed
  • Suitable for coils, sheets, slit strip and downstream forming use
Send SGCC Specs →
ASTM A653

ASTM A653 Galvanized Steel Coil

ASTM galvanized steel coil for buyers who need U.S. standard reference, coating designation discussion, fabrication use and project supply.

Common standard: ASTM A653, coating designation and grade should follow buyer specification
  • Suitable for construction, panels, ducting and fabricated steel products
  • Coating requirement should be checked against project documents
  • MTC, coating information and inspection support can be discussed
Send ASTM A653 Specs →
Q195 / Q235

Q195 / Q235 Galvanized Steel Coil

Common Chinese base material galvanized steel coil for ducting, profiles, shelves, brackets, sheet metal parts and general processing.

Common grades: Q195, Q235 or equivalent base steel with galvanized coating
  • Q195 is often selected for light forming and processing uses
  • Q235 is commonly used for general fabrication and construction parts
  • Thickness, coating, hardness and forming requirement should be confirmed
Send Q195 / Q235 Specs →
Roofing

Galvanized Coil for Roofing Sheet

Galvanized coil for corrugated roofing sheet, trapezoidal roofing sheet, wall cladding, roll forming and downstream color coated products.

Key details: thickness, width, zinc coating, hardness, spangle and roll forming requirement
  • Used by roofing sheet factories and building material distributors
  • Coating and hardness should match corrugating or profiling process
  • Coil packing and loading orientation should match buyer’s equipment
Send Roofing Coil Specs →
Slit Coil

Slit Galvanized Steel Coil

Narrow galvanized strip coil for profiles, channels, ducting, small components, brackets, light fabrication and repeated processing orders.

Key details: slit width, tolerance, burr condition, coil weight, coating and strip packing
  • Suitable for buyers needing narrow galvanized strip supply
  • Slitting tolerance and edge condition should be confirmed before quotation
  • Labels, strip packing and loading photos can be arranged when required
Send Slit Coil Specs →
Factory Supply Scenes

Galvanized Coil Stock, Surface, Slitting, Roll Forming Support and Export Packing

You can review galvanized coil stock, spangle surface, slitting preparation, roll forming compatibility, coating-related inspection and export packing before placing an order. These factory scenes help confirm whether the coil supply route matches your processing, resale or project delivery requirements.

Send Specifications
Stock

Galvanized Steel Coil Warehouse Stock

Show galvanized coil stock, visible coil labels, indoor storage, lifting area or export-ready GI coil inventory.

Surface

Zinc Coating and Spangle Surface

Show regular spangle, minimized spangle, zero spangle or galvanized coating surface close-up.

Slitting

Galvanized Coil Slitting Line

Show slitting equipment, narrow galvanized strip output, coil rewinding or processing-ready strip coils.

Forming

Roll Forming and Roofing Sheet Use

Show galvanized coil for corrugated sheet, trapezoidal sheet, profiling or roofing sheet production.

QC

Coating, Size and Document Check

Show thickness check, width check, coating-related inspection, surface review, coil label checking or MTC review.

Packing

Export Coil Packing

Show waterproof wrapping, edge protection, steel straps, coil labels, shipping marks and loading preparation.

Supply Range

Galvanized Steel Coil Supply Routes We Commonly Handle

Different buyers need different galvanized coil routes according to coating, base material, surface condition, processing method and final application. You can confirm whether you need hot-dip galvanized coil, electro galvanized coil, GI coil, slit coil, roofing coil or processing-ready coil before quotation.

Hot-Dip Galvanized Coil

Commonly used for roofing, construction, ducting, roll forming, outdoor panels and zinc-coated steel applications.

Electro Galvanized Coil

Considered when smoother surface, controlled coating layer and downstream appearance are important.

GI Coil

General galvanized iron coil for sheet processing, fabrication, local distribution and construction material supply.

Processing-Ready Coil

Slitting, cut-to-length discussion, roll forming supply and roofing sheet base material can be discussed by order.

RFQ Details

What Buyers Should Confirm Before Galvanized Coil Quotation

Galvanized coil quotation must clearly confirm standard, grade, thickness, width, zinc coating, spangle, surface treatment, coil ID, coil weight and packing method. These details directly affect downstream processing, storage condition and delivered cost.

Supply Range

  • Thickness0.1–5.0mm, subject to grade, zinc coating, stock and order availability
  • Width12.7–2000mm, including slit coil and full-width coil requirements
  • Zinc Coating30–275g/m² according to application, standard and buyer requirement
  • ProcessHot-dip galvanized and electro galvanized coil requirements can be discussed
  • Coil ID508mm / 610mm available based on buyer’s decoiling or processing equipment
  • ProcessingSlitting, cut-to-length discussion, trimming and buyer-side roll forming requirements

Quotation Details Buyers Should Provide

  • Standard / GradeDX51D+Z, SGCC, ASTM A653, Q195, Q235 or buyer-specified grade
  • SizeThickness, width, coil ID, coil weight, tolerance and slit width if required
  • SurfaceRegular spangle, minimized spangle, zero spangle, passivated, oiled, dry or anti-fingerprint
  • QuantityTotal tonnage, number of coils, container quantity or project schedule
  • PackingEye-to-sky, eye-to-wall, waterproof wrapping, edge protection, steel straps and coil labels
  • DestinationDestination country or port, trade term and shipment schedule
Coating and Surface Details

Key Galvanized Coil Details Buyers Should Not Ignore

Galvanized coil buyers should not only compare price per ton. Zinc coating, spangle, surface treatment, coil ID, coil weight, slitting quality and packing method can directly affect processing, storage and final product quality.

Zinc Coating 30–275g/m²

Coating should be selected according to corrosion requirement, forming method, project document and target market standard.

Spangle Requirement

Regular, minimized or zero spangle should be selected according to appearance, coating, painting or downstream processing needs.

Surface Treatment

Passivation, oiling, dry surface and anti-fingerprint options should be confirmed before quotation.

White Rust Risk

Moisture-control packing, surface treatment, storage condition and loading method help reduce white rust risk.

Coil ID 508 / 610mm

Coil ID should match the buyer’s decoiler, slitting line, roll forming line or pipe mill equipment.

Slit Edge Condition

Slit width, tolerance, burr condition and edge protection should be confirmed for narrow strip orders.

Roll Forming Suitability

For roofing and profiles, thickness, coating, hardness and forming direction should match buyer-side equipment.

Export Coil Packing

Waterproof wrapping, edge protection, steel straps, coil labels, shipping marks and loading photos can be arranged.

Applications

Common Applications of Galvanized Steel Coil

Galvanized steel coil is used when buyers need zinc-coated steel for forming, fabrication, construction, ducting, roofing sheet production and anti-rust applications.

Roofing Sheet Production

For corrugated roofing sheet, trapezoidal roofing sheet, wall cladding and downstream roll forming.

Ducting & HVAC

For air ducts, ventilation systems, HVAC parts and sheet metal processing where galvanized coil is commonly used.

Construction & Panels

For building panels, brackets, profiles, light frames, construction parts and building material supply.

Fabrication & Appliances

For enclosures, cabinets, shelves, appliance panels, guards, covers and general fabricated sheet products.

Buyer Support

Slitting, Coating Check, MTC and Export Packing Support

Galvanized steel coil orders require clear confirmation of coating, surface, coil ID, coil weight, packing method and shipment documents before final order.

Coating Requirement Check

Review zinc coating, galvanizing process, spangle, surface treatment and application before quotation.

Slitting Support

Slit width, tolerance, burr requirement, coil weight and strip packing can be discussed according to order.

Quality Documents

MTC, heat number, packing list, commercial invoice, certificate of origin and inspection support available.

Export Packing

Coil wrapping, edge protection, steel straps, coil labels, shipping marks, loading photos and container loading support.

FAQs

Common Questions from Galvanized Steel Coil Buyers

What galvanized steel coil sizes can you supply?

Our galvanized steel coil supply range includes thickness 0.1–5.0mm, width 12.7–2000mm, zinc coating 30–275g/m² and coil ID 508mm / 610mm, subject to grade, coating, stock and order requirements.

What zinc coating range can be supplied?

Zinc coating from 30–275g/m² can be discussed according to application, standard, corrosion requirement, forming process and buyer specification.

What is the difference between hot-dip galvanized coil and electro galvanized coil?

Hot-dip galvanized coil is commonly used for roofing, construction, ducting and outdoor applications. Electro galvanized coil is often selected when smoother surface and controlled coating layer are important. Final choice should follow application and specification.

Can you provide slit galvanized steel coil?

Yes. Slitting can be discussed according to required width, thickness, tolerance, quantity, coil weight, burr requirement and packing method.

How can white rust risk be reduced during shipment?

White rust risk is related to moisture, surface treatment, packing method, storage and shipment route. Passivation, oiling, waterproof packing, dry storage and suitable loading can help reduce this risk.

Can you provide MTC, packing list and loading photos?

Yes. MTC, packing list, commercial invoice, certificate of origin, inspection documents, coil packing photos and loading photos can be discussed according to order requirements.

Related Pages

Related Galvanized, Coil and Coated Steel Pages

Galvanized steel coil buyers may also need galvanized sheet, steel coil category information, PPGI / PPGL coil, galvalume coil, quality control and packing support.

Request Quote

Send Your Galvanized Steel Coil Inquiry

Send galvanized coil standard, grade, thickness, width, zinc coating, spangle, surface treatment, coil ID, coil weight, quantity, packing request and destination details. We will check availability, processing feasibility, documents, packing and quotation details.

Direct Contact

WhatsApp: +86 19026837868
Company: Bao Steel (Qingdao) Co., Ltd.

For Faster Quotation, Please Include

  • Standard / grade: DX51D+Z, SGCC, ASTM A653, Q195, Q235 or buyer-specified grade.
  • Size: thickness, width, coil ID 508mm / 610mm, coil weight and quantity.
  • Zinc coating 30–275g/m², spangle, passivation, oiling, dry or anti-fingerprint requirement.
  • Application, packing method, MTC, inspection, destination and shipment schedule.

Document Support

  • MTC
  • Heat number
  • Packing list
  • Commercial invoice
  • Certificate of origin
  • Inspection report
  • Loading photos
  • Shipping marks

Steel Inquiry Form

Use this form for galvanized steel coil, GI coil, DX51D+Z coil, SGCC coil, ASTM A653 galvanized coil, roofing galvanized coil, slit galvanized coil and other steel product inquiries.

    WhatsApp +86 19026837868 Email Us manager2@zgbgmetal.com