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Galvanized Steel Coil Z275 Supplier Sheet Distributor

Z275 galvanized steel coil is a cold-rolled steel sheet treated by hot-dip galvanizing process, with a zinc layer weight of 275g/㎡ (double-sided), and has excellent anti-rust and corrosion resistance.

As a core material in the fields of construction, home appliances, automobile manufacturing, etc., its high cost performance and long life are widely recognized by the market.

product details

product description

Product Overview: A benchmark for the new generation of anti-corrosion steel

As industrial materials continue to upgrade, Z275 galvanized steel coil has become the preferred material in the fields of construction, automobile manufacturing, and home appliance production due to its excellent anti-corrosion performance and outstanding mechanical strength.

As a high-end galvanized product that meets international standards, this product adopts advanced continuous hot-dip galvanizing process, and the zinc layer weight is strictly controlled at 275g/m² (double-sided), which can maintain an effective anti-corrosion period of more than 10 years in harsh environments.

Core advantages: Why choose Z275 galvanized steel coil?

1. Super strong anti-corrosion protection system

Zinc layer thickness: 275g/m² on both sides (180g/m² for conventional products in the industry)

Salt spray test: Passed 3000 hours of neutral salt spray test (ASTM B117 standard)

Service life: More than 40% longer than ordinary galvanized steel coils

2. Diversified surface treatment processes

Surface type	Roughness (RA)	Applicable scenarios
Finished surface	0.5-1.2μm	Home appliance panels, precision parts.
Zinc spangle surface	1.5-2.5μm	Building exterior walls, industrial equipment.
Zinc spangle-free surface	≤1.0μm	Automobile chassis, high-end decoration.

3. Excellent processing performance

Elongation ≥18% supports various processing methods such as stamping, bending, welding, etc., and the scrap rate is reduced by more than 30%.

Technical parameters and specifications comparison table

Item	Parameter Range	Test Standard
Substrate Thickness	0.3-3.0mm	±0.03mm
Roll Weight	5-15 tons/roll	Electronic floor scale measurement
Hardness (HV)	80-180	Vickers hardness tester

Applications

1. Building enclosure system

High-end factory metal roof, modular clean room wall panels, airport terminal decorative panels.

2. Home appliance manufacturing

Refrigerator/washing machine housing, air conditioner outdoor unit cover, oven liner components.

3. Automobile industry

Chassis protection parts, cargo box baffles, new energy vehicle battery trays.

4. Agricultural facilities

Greenhouse frames, livestock breeding equipment, grain storage systems.

5. Photovoltaic new energy

Solar support, inverter box, power station fence system.

Purchase decision guide

1. Clarify the three elements of demand

Usage environment: It is recommended to choose Z275 in coastal areas and Z180 inland areas.

Processing method: DC04 grade deep drawing materials should be selected for stamping.

Surface requirements: Galvanized sheet coil is recommended to choose small zinc flower products for spraying treatment.

2. Certification system verification

Ensure that the supplier has the following certifications:

ISO 9001 quality management system

SGS material testing report

EU ROHS environmental certification

About us

Tianjin Lishengda Steel Group has always followed international trade practices, adhering to the business philosophy of abiding by contracts, keeping promises, quality service, and mutual benefit. We are willing to sincerely cooperate with friends at home and abroad to develop together.

WHAT DO YOU WANT TO KNOWFAQ

We have made a general analysis of your questions

Ready to elevate your projects with premium-quality steel? Contact us--galvanized steel coil distributor today to learn more about our Z275 Galvanized Steel Coils and how they can meet your specific needs!

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What are the advantages compared with aluminum-zinc sheet?
- The zinc layer has better cut protection effect, better welding performance, and 15-20% lower cost.
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How to store to prevent white rust?
- Keep the warehouse humidity <70%, use dry pads when stacking, and it is recommended to use it within 6 months.
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Does it support customized sizes?
- We provide slitting services with a width of 800-1500mm, and the thickness tolerance is controlled to ±0.02mm.

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