Do you support third-party inspection?

Yes. We welcome inspections by SGS, BV, TUV, or any agency appointed by the buyer.

Which markets do you serve?

Our main markets include Southeast Asia, the Middle East, Africa, South America, and Eastern Europe. We've served over 1,000 global buyers.

Can I visit your factory in China?

Absolutely! We welcome you to visit our factory. We'll provide pickup service, arrange a factory tour, and show you the production & inspection process.

What are your payment terms?

We accept T/T, L/C, and in some cases, DP or OA for long-term partners.

Structural Grade Galvanized Steel Coil G550 Z275 for Roofing and Building Applications

Name: Structural Grade Galvanized Steel Coil G550 Z275 for Roofing and Building Applications
Brand: Qingdao Witop Steel Co., Ltd
SKU: 2178460722

Shandong, ChinaQingdao Witop Steel Co., Ltd

US$606.00

25-99 Tons

US$601.00

100+ Tons

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

30 Days

Model NO.

Standard

ASTM, JIS, GB, DIN, BS

Certification

ISO, Pvoc

Surface Treatment

Galvanized

Technique

Cold Rolled

Application

Building Material

Edge

Slit edge

Stock

Coil Weight

3-5 Tons

Coil Inner Diamater

580mm 610mm

Surface Structure

Zero Spangles, Small Spangles, Regular Spangles

Zinc Coating

Z30-275G/M2, G30,G60,G90

Thickness

0.09-4.0mm

Hscode

7210499000

OEM & ODM Custom

Yes

Custom Logo

Depend on Require

Thickness Tolerance

as Standard

Meters Per Ton

1000/7.85/Thickness/Width

Weight Tolerance

0.3%

Annual Capacity

8000 Tons Each Year

Use for

Steel Struss and Lightweight Steel Framing

Delivery Time

About 20-25 Days

Chromated

Depend on Requirement

Transport Package

Standard Seaworthy Exporting Packing

Specification

Zinc Coating

Trademark

Witop

Origin

Shandong, China

HS Code

7210499000

Production Capacity

8000 Tons Each Year

Key features

20+ Years Experience: Over two decades of expertise in coated steel production and global export.

Wide Thickness Range: Available thickness from 0.11mm to 4.00mm for diverse structural needs.

Multiple Spangle Options: Offers Zero, Small, Regular, and Big spangle models for surface customization.

Strict Quality Control: Every batch undergoes coating, tensile, and surface tests with MTC provided.

Global Client Base: Trusted by over 1,000 clients in more than 30 countries worldwide.

ISO 9001 Certified: Factory certified with products complying to ASTM, JIS, and EN standards.

Fast Delivery: Normal lead time is 20-25 days after deposit; urgent orders prioritized.

OEM & ODM Support: Professional manufacturer supporting custom logo and direct export services.

Company profile

High Repeat Buyers ChoiceImporters and ExportersIn-stock CapacityFast Delivery

Qingdao Witop Steel Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyNearest Port: Qingdao, Tianjin, ShanghaiAverage Response Time: ≤3.04hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, CPT

About Our Factory & Business Background

Address1301-1302, Block B, Yunfeng Center, No. 7 Ganquan Road, Licang District, Qingdao, Shandong, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPPGI, Gi Sheet, Hot DIP Galvanized Steel Coil, PPGI Sheet, Ibr Roof Sheeting, Galvanized Steel Sheet, Galvanized Sheet, Galvalume Steel Coil, Corrugated Roofing Sheet, Galvanised Steel Sheet

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional manufacturer of galvanized steel coils, galvalume coils, and prepainted steel (PPGI/PPGL) with over 20 years of experience. Our factory is located in China and supports both OEM and direct export services.

Q:What is your minimum order quantity (MOQ)?

Our standard MOQ is 25 tons (1 container), but we also support small trial orders for new customers.

Q:What standards do your products follow?

We produce coils according to ASTM A653, JIS G3302, EN 10346, and other international standards. Certificates like ISO, SGS, BV, CO, and Form E are available upon request.

Q:Can you provide sample coils or cut sheets?

Yes, we can provide free A4-sized samples or cut sheets for testing and evaluation. Shipping costs may apply depending on location.

Q:How do you ensure quality control?

Each batch undergoes strict quality inspection, including coating and thickness test, tensile strength and elongation test, T-bend and impact test, and surface and spangle inspection. We also provide mill test certificates (MTC) for every order.