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Galvanized Steel Coil with Z80-Z275 Zinc Coating for Construction Roofing in 0.5-3.0 mm Thickness

Name: Galvanized Steel Coil with Z80-Z275 Zinc Coating for Construction Roofing in 0.5-3.0 mm Thickness
Brand: Wuxi Sylaith Special Steel Co., Ltd.
SKU: SGCC / DX51D
Price: 20.00 USD
Availability: InStock

Brand Name:	Sylaith
Model Number:	SGCC / DX51D
MOQ:	1 Ton, we also welcome sample requests.
Price:	Negotiable
Delivery Time:	7-35 days, depending on the specific requirements and quantity
Payment Terms:	30% T/T Advance + 70% T/T Balance

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

MTC, ISO 9001

Product Name:

Steel Coil

Standard:

ASTM / AISI / JIS / EN

Coil Weight:

According To The Customer's Request

Trade Terms:

FOB / CIF / CFR / EXW

Thickness:

0.5–3.0 Mm

Width:

Customizable

Surface:

Galvanized Coated

Zinc Coating:

Z80-Z275

Hardness:

Hard

Processing Service:

Welding, Cutting, Bending, Punching, Decoiling

Packaging Details:

Standard export sea-worthy packing or as customers required

Supply Ability:

1000+tons/month

Product Description

Galvanized Steel Coil Cold Rolled Hot Dipped Z80–Z275 Coating for Construction Roofing Industrial Fabrication

Product Overview

This factory-direct galvanized steel coil is a versatile industrial material produced using cold-rolled or hot-dipped galvanizing processes. It features a zinc coating range of Z80-Z275, offering strong corrosion resistance and long service life.

Manufactured to ASTM, BS, DIN, GB, and JIS standards, this steel coil is widely used in construction, roofing, pipe production, fencing, and general fabrication.

It supports both light-duty and heavy-duty applications with thickness ranging from 0.5 mm to 3.0 mm.

The Corrosion Challenge

Uncoated steel quickly corrodes when exposed to moisture, oxygen, and environmental pollutants. This leads to:

Rust formation
Reduced structural strength
Higher maintenance costs
Shorter product lifespan

Industrial applications require a protective solution that maintains strength while resisting corrosion.

Galvanized Protection Solution

Galvanized steel coil solves corrosion issues through a zinc protective layer (Z80-Z275) that:

Acts as a barrier against air and moisture
Provides sacrificial protection (zinc corrodes first)
Extends lifespan in outdoor and industrial environments
Reduces maintenance and replacement costs
Maintains workability for cutting, bending, and welding

Technical Specifications

Attribute	Details
Product Type	Steel Coil
Process	Cold Rolled / Hot Dipped
Standard	ASTM, BS, DIN, GB, JIS
Coating	Z80-Z275 Zinc Coating
Thickness	0.5-3.0 mm
Width	Customizable
Grade	SGCC / DX51D
Hardness	Hard
Spangle Type	Regular Spangle
Surface	Zinc Coated
Certification	CE, ISO 901
Delivery Time	8-14 days
Application	Construction, pipes, roofing, fencing

Common Applications

This galvanized steel coil is commonly used in:

Roofing sheets and wall panels
Corrugated steel production
Structural construction components
Pipe and tube manufacturing
Industrial containers and storage systems
Fencing, gates, and outdoor infrastructure
Automotive and machinery parts

How Galvanized Protection Works

The steel is protected using a zinc coating applied via hot-dip or electro-galvanizing methods:

Steel is cleaned and prepared
Zinc coating is applied (Z80-Z275 layer)
A protective alloy layer forms between steel and zinc
Zinc acts as a sacrificial layer, corroding before steel

Even if the surface is scratched, zinc continues protecting exposed steel through electrochemical action.

Selection Guidelines

When selecting galvanized steel coil, consider:

Coating level (Z80-Z275): Higher coating = stronger corrosion resistance
Thickness (0.5-3.0 mm): Structural vs light fabrication use
Process type: Cold rolled (smooth finish) vs hot dipped (strong protection)
Standard compliance: ASTM / JIS / DIN depending on project requirements
Surface finish: Regular spangle or customized finish
Application needs: Roofing, piping, or industrial manufacturing

Frequently Asked Questions

Q1: What is the difference between Z80 and Z275 coating?

Z275 has a much thicker zinc layer, offering stronger corrosion resistance and longer lifespan than Z80.

Q2: Can this coil be used outdoors?

Yes, it is designed for outdoor exposure such as roofing, fencing, and structural use.

Q3: Is it suitable for welding and cutting?

Yes, it supports cutting, welding, bending, and decoiling processes.

Q4: What is cold rolled vs hot dipped galvanized steel?

Cold rolled offers smoother surface finish, while hot dipped provides stronger corrosion protection.

Q5: What industries commonly use this product?

Construction, manufacturing, automotive, agriculture, and infrastructure sectors.

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Galvanized Steel Coil with Z80-Z275 Zinc Coating for Construction Roofing in 0.5-3.0 mm Thickness

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Galvanized Steel Coil with Z80-Z275 Zinc Coating for Construction Roofing in 0.5-3.0 mm Thickness

Brand Name:	Sylaith
Model Number:	SGCC / DX51D
MOQ:	1 Ton, we also welcome sample requests.
Price:	Negotiable
Packaging Details:	Standard export sea-worthy packing or as customers required
Payment Terms:	30% T/T Advance + 70% T/T Balance

Detail Information

Product Description

Detail Information

Place of Origin:

China

Brand Name:

Sylaith

Certification:

MTC, ISO 9001

Model Number:

SGCC / DX51D

Product Name:

Steel Coil

Standard:

ASTM / AISI / JIS / EN

Coil Weight:

According To The Customer's Request

Trade Terms:

FOB / CIF / CFR / EXW

Thickness:

0.5–3.0 Mm

Width:

Customizable

Surface:

Galvanized Coated

Zinc Coating:

Z80-Z275

Hardness:

Hard

Processing Service:

Welding, Cutting, Bending, Punching, Decoiling

Minimum Order Quantity:

1 Ton, we also welcome sample requests.

Price:

Negotiable

Packaging Details:

Standard export sea-worthy packing or as customers required

Delivery Time:

7-35 days, depending on the specific requirements and quantity

Payment Terms:

30% T/T Advance + 70% T/T Balance

Supply Ability:

1000+tons/month

Product Description

Galvanized Steel Coil Cold Rolled Hot Dipped Z80–Z275 Coating for Construction Roofing Industrial Fabrication

Product Overview

Manufactured to ASTM, BS, DIN, GB, and JIS standards, this steel coil is widely used in construction, roofing, pipe production, fencing, and general fabrication.

It supports both light-duty and heavy-duty applications with thickness ranging from 0.5 mm to 3.0 mm.

The Corrosion Challenge

Uncoated steel quickly corrodes when exposed to moisture, oxygen, and environmental pollutants. This leads to:

Rust formation
Reduced structural strength
Higher maintenance costs
Shorter product lifespan

Industrial applications require a protective solution that maintains strength while resisting corrosion.

Galvanized Protection Solution

Galvanized steel coil solves corrosion issues through a zinc protective layer (Z80-Z275) that:

Acts as a barrier against air and moisture
Provides sacrificial protection (zinc corrodes first)
Extends lifespan in outdoor and industrial environments
Reduces maintenance and replacement costs
Maintains workability for cutting, bending, and welding

Technical Specifications

Attribute	Details
Product Type	Steel Coil
Process	Cold Rolled / Hot Dipped
Standard	ASTM, BS, DIN, GB, JIS
Coating	Z80-Z275 Zinc Coating
Thickness	0.5-3.0 mm
Width	Customizable
Grade	SGCC / DX51D
Hardness	Hard
Spangle Type	Regular Spangle
Surface	Zinc Coated
Certification	CE, ISO 901
Delivery Time	8-14 days
Application	Construction, pipes, roofing, fencing

Common Applications

This galvanized steel coil is commonly used in:

Roofing sheets and wall panels
Corrugated steel production
Structural construction components
Pipe and tube manufacturing
Industrial containers and storage systems
Fencing, gates, and outdoor infrastructure
Automotive and machinery parts

How Galvanized Protection Works

The steel is protected using a zinc coating applied via hot-dip or electro-galvanizing methods:

Steel is cleaned and prepared
Zinc coating is applied (Z80-Z275 layer)
A protective alloy layer forms between steel and zinc
Zinc acts as a sacrificial layer, corroding before steel

Even if the surface is scratched, zinc continues protecting exposed steel through electrochemical action.

Selection Guidelines

When selecting galvanized steel coil, consider:

Coating level (Z80-Z275): Higher coating = stronger corrosion resistance
Thickness (0.5-3.0 mm): Structural vs light fabrication use
Process type: Cold rolled (smooth finish) vs hot dipped (strong protection)
Standard compliance: ASTM / JIS / DIN depending on project requirements
Surface finish: Regular spangle or customized finish
Application needs: Roofing, piping, or industrial manufacturing

Frequently Asked Questions

Q1: What is the difference between Z80 and Z275 coating?

Z275 has a much thicker zinc layer, offering stronger corrosion resistance and longer lifespan than Z80.

Q2: Can this coil be used outdoors?

Yes, it is designed for outdoor exposure such as roofing, fencing, and structural use.

Q3: Is it suitable for welding and cutting?

Yes, it supports cutting, welding, bending, and decoiling processes.

Q4: What is cold rolled vs hot dipped galvanized steel?

Cold rolled offers smoother surface finish, while hot dipped provides stronger corrosion protection.

Q5: What industries commonly use this product?

Construction, manufacturing, automotive, agriculture, and infrastructure sectors.

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