High Quality Zero Spangle Galvanized Steel Coil for Spiral Duct with Z120 Smooth

Name: High Quality Zero Spangle Galvanized Steel Coil for Spiral Duct with Z120 Smooth
Brand: CNB NEW MATERIAL (TIANJIN) CO., LTD.
SKU: 2307947225

Tianjin, ChinaCNB NEW MATERIAL (TIANJIN) CO., LTD.

US$480.00-600.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Negotiable

Warranty

10 Years

Model NO.

CNB-GSC

Standard

ASTM, JIS, GB, AISI, DIN, BS

Certification

ISO, RoHS, IBR

Surface Treatment

Galvanized

Technique

Cold Rolled

Application

Boiler Plate

Edge

Mill

Stock

Application for

HVAC Duct, Cable Tray, Warehouse Rack, Mezzanine

Inventory

in Stock

Material Grade

Dx51d+Z, SGCC, S250gd+Z, S350gd+Z

Zinc Coating

Z60-Z275 (Double Side)

Transport Package

Export Seaworthy Package

Specification

0.16mm-1.0

Trademark

CNB

Origin

China

Production Capacity

5000 Tons/Momth

Key features

Our zero spangle galvanized steel sheet provides the smooth, uniform surface demanded by architects for exposed spiral ductwork in commercial interiors, retail spaces, and modern offices.

S350GD+Z galvanized steel coil with Z275 coating delivers the yield strength and corrosion protection needed for pallet racking beams, upright frames.

Galvanized steel sheet with clear anti-fingerprint treatment resists marking during fabrication and installation of cable trays, trunking, and electrical cabinets, maintaining a professional finish.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Multi-language Pioneer

CNB NEW MATERIAL (TIANJIN) CO., LTD.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 2 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.55h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryCNB NEW MATERIAL (TIANJIN) CO., LTD. is a China-based trading company established in 2023 with three employees. It reports quality assurance, raw-material traceability, written inspection instructions, in-stock capability, and customization from samples or designs. The company states that 90% of sales are exports and cites international companies as fixed raw-material customers, although no specific case details are provided. Service reach is limited: it reports no overseas agents or branches, overseas warehouses, overseas showroom, offline trade-show participation, or overseas service countries. R&D evidence is weak, with no new product information in the past year, no ODM, no SDK, and no branded OEM capability. Financial information provided shows zero operating revenue and zero profit-related figures for the stated periods, requiring caution. Outsourcing procedures, manufacturing-capacity contracts, corrective-action records, complaint-handling records, and supplier-assessment records are incomplete or...

Financial creditThe submitted financial slices report zero operating revenue and zero profit-related figures for the stated periods, while current ratios are also reported as zero. These figures do not demonstrate financial strength and indicate a material need for verification before relying on the supplier’s financial capacity.

R&D capabilityThe supplier reports no new product information during the past year, no ODM service, and no available SDK. Although it can customize from samples and designs, the provided evidence does not support strong independent R&D or innovation capability.

Customization capabilityCustomization from samples and customization from designs are explicitly available through both design services and R&D-related services. This supports the supplier’s ability to handle customer-specific requirements, although no evidence is provided regarding production scale or technical complexity.

Client casesThe supplier states that it has become a fixed raw-material supplier to Panasonic, Toyota, Honda, IKEA, and Komatsu, and reports that 90% of total sales are exports. These named customer claims provide positive case evidence, but the slices do not include order scope, duration, product details, or independently verifiable references.

Product Q&A

Q:What galvanized steel grade and coating is recommended for HVAC spiral ductwork?

For spiral ductwork, we recommend DX51D+Z galvanized steel coil with Z120 to Z180 coating in regular or small spangle. For exposed spiral duct in visible architectural spaces, zero spangle with a smooth surface is preferred. Thickness typically ranges from 0.5mm to 1.2mm depending on duct diameter and pressure class.

Q:Can your galvanized steel be used for cable tray systems in industrial environments?

Yes, our galvanized steel sheet and coil are widely used for cable tray and ladder rack systems. For indoor industrial use, Z120 to Z180 coating is standard. For outdoor or coastal installations, we recommend Z275 or our zinc aluminum magnesium coated steel for enhanced corrosion protection.

Q:What is the advantage of structural grade S350GD+Z over commercial DX51D+Z for racking systems?

S350GD+Z galvanized steel provides minimum yield strength of 350 MPa, significantly higher than DX51D+Z. This allows racking manufacturers to use thinner gauge steel while maintaining load capacity, or to achieve higher load ratings at the same thickness. The structural grade also offers better consistency in mechanical properties for reliable beam and frame performance.