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Help Center1-Year Warranty Galvanized Coil With Mill Test Report for Construction
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Hemaokang Steel (Shandong) Co., Ltd. is proud to present our 1-Year Warranty Galvanized Coil with Mill Test Report for Construction. As a newly established yet rapidly growing manufacturer with an annual export value of US$50 Million - US$100 Million, we combine cutting-edge production lines with strict quality control. Each coil is backed by a 1-year warranty and a complete Mill Test Report (MTR) to ensure full traceability and compliance with construction standards. This product is designed to meet the demanding requirements of roofing, wall cladding, and structural applications worldwide.
Our galvanized coil offers superior corrosion resistance, excellent formability, and consistent mechanical properties. Whether you need material for commercial buildings, residential projects, or industrial facilities, this coil delivers reliable performance. With a team of 51-100 skilled employees and a strategic location in Liaocheng, Shandong, we can fulfill large-volume orders efficiently while maintaining competitive pricing.
Key Features & Benefits
- 1-Year Warranty – Peace of mind against manufacturing defects, ensuring long-term project reliability.
- Mill Test Report Included – Full chemical composition and mechanical property data for quality verification.
- ISO9001 Certified Factory – Systematic quality management from raw material to finished product.
- High Corrosion Resistance – Zinc coating from Z60 to Z275 g/m², suitable for various environmental conditions.
- Excellent Formability – Can be bent, stamped, or roll-formed without cracking, ideal for complex profiles.
- Uniform Zinc Layer – Advanced hot-dip galvanizing process ensures even coating and strong adhesion.
- Customizable Dimensions – Thickness 0.12–2.0 mm, width 600–1500 mm, and coil weight tailored to your needs.
- Global Market Reach – Exported to North America, South America, Europe, Africa, Oceania, Asia, and more.
Technical Specifications
| Parameter | Value |
| Material | Galvanized Steel (DX51D, DX52D, etc.) |
| Thickness | 0.12 – 2.0 mm (customizable) |
| Width | 600 – 1500 mm |
| Zinc Coating Weight | Z60 – Z275 g/m² (both sides) |
| Surface Finish | Regular spangle, minimized spangle, zero spangle, anti-fingerprint |
| Tensile Strength | 270 – 550 MPa (as per grade) |
| Yield Strength | 140 – 500 MPa |
| Warranty | 1 Year (against manufacturing defects) |
| Certification | ISO9001, Mill Test Report (MTR) |
| Packing | Sea-worthy: inner waterproof paper, steel pallet, outer steel strip |
Why choose our galvanized coil for construction? The combination of a 1-year warranty and a Mill Test Report gives you confidence in material quality and compliance. Our coil is produced under strict ISO9001 quality management, ensuring consistent thickness, flatness, and coating adhesion. Whether you are a roofing contractor, a steel service center, or a construction project manager, you can rely on our product to reduce maintenance costs and extend the life of your structures.
For projects requiring specific mechanical properties, we offer customizable tensile and yield strength grades. The coil can be supplied in spangle or zero-spangle finish, and anti-fingerprint treatment is available upon request. Our factory's annual export value of US$50-100 million and 51-100 employees demonstrate our capacity to handle large contracts with fast turnaround times.
Trust & Reliability
Hemaokang Steel (Shandong) Co., Ltd. has quickly established a reputation for quality and service. We serve customers across North America, South America, Europe, Africa, Oceania, Asia, and the Domestic Market. Our team of experienced professionals ensures that every order is handled with care, from raw material sourcing to final packing. The 1-year warranty is our commitment to your satisfaction, and the Mill Test Report provides full transparency. We also offer free samples (shipping cost negotiable) and technical support to help you choose the right specification. Contact us today for a quote or to discuss your project requirements. Let us be your trusted partner in construction steel.
Frequently Asked Questions
Q1: What does the 1-year warranty cover?
A: The warranty covers manufacturing defects in material and workmanship, including peeling, delamination, or corrosion under normal use. It does not cover damage from improper handling, modification, or extreme environmental conditions beyond standard expectations.
Q2: What is a Mill Test Report (MTR) and why is it important?
A: An MTR is a document provided by the mill that certifies the chemical composition and mechanical properties of the steel coil. It is important for construction projects to ensure the material meets specified standards and for traceability in quality audits.
Q3: Can I get a custom thickness or width?
A: Yes, we offer customization within our production range (0.12–2.0 mm thickness, 600–1500 mm width). Please contact our sales team with your specific requirements, and we will confirm feasibility and lead time.
Q4: What surface finishes are available?
A: We offer regular spangle, minimized spangle, zero spangle, and anti-fingerprint finishes. The choice depends on your aesthetic preference and application. Zero spangle is often preferred for painted surfaces, while anti-fingerprint is suitable for visible interior applications.
Q5: Is the coil suitable for outdoor use?
A: Yes, the galvanized coating provides excellent corrosion resistance for outdoor applications. The zinc coating weight can be selected (Z60 to Z275) based on the environmental exposure. For coastal or highly corrosive areas, we recommend higher coating weights.
Q6: What are the payment terms?
A: Common terms include T/T (30% deposit, 70% against BL copy) or L/C at sight. For long-term contracts, negotiable terms are available. Please discuss with our sales representative.
Q7: How long does delivery take?
A: Standard lead time is 15-25 working days after deposit confirmation, depending on order quantity and specification. For urgent orders, partial shipment or expedited production may be arranged.
Q8: Do you provide free samples?
A: Yes, we provide free samples (A4 size or 1m x 1m) for quality evaluation. The buyer is responsible for shipping costs. Please contact us to request samples.
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