news — from the mill.
Production notes, industry updates, and a little colour on what we’re making this month.
EN 10169 Organic Coated Steel Coil – Premium PPGI Solutions from ChinaCNU Steel
Certificate records — Review the certificate holder, scope and current verification status. Confirm the documents applicable to your order. What Is EN 10169 Organic Coated Steel Coil? EN 10169 is the European standard that defines technical delivery conditions for continuously organic coated (coil coated) steel flat products. It covers both hot-dip galvanized steel coil and […]
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JIS G3321 Galvalume Steel Sheet – Premium Aluzinc Coil for Roofing
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. What Is JIS G3321 Galvalume Steel Sheet? JIS G3321 defines the specifications for hot-dip 55% aluminum-zinc alloy-coated steel sheet and coil. This coating, often called aluzinc, provides superior corrosion resistance compared to traditional hot-dip galvanized steel. The standard […]
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JIS G3302 SGCC Galvanized Steel Coil – Complete Guide & Supplier
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. What Is JIS G3302 SGCC Galvanized Steel Coil? JIS G3302 is the Japanese Industrial Standard for hot-dip galvanized steel sheet and coil. SGCC (Structural Quality Commercial Cold Rolled) is the most common grade under this standard, designed for […]
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ASTM A792 Galvalume Steel Coil Specification: Complete Guide 2026
Certificate records — Review the certificate holder, scope and current verification status. Confirm the documents applicable to your order. What Is the ASTM A792 Galvalume Steel Coil Specification? The ASTM A792 standard, last updated in 2026, specifies the requirements for steel sheet, metallic-coated by the hot-dip process, with a zinc-aluminum alloy coating. This aluzinc steel […]
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Galvanized Steel Coil Rust Prevention During Shipping: 2026 Guide
Ensuring galvanized steel coil rust prevention during shipping is critical for manufacturers and buyers alike. In 2026, with global supply chains under pressure, a single corroded GI coil can cost thousands in claims and lost trust. At ChinaCNU Steel, our factory in Boxing, Binzhou ships over 15,000 tons annually using proven methods that keep hot […]
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PPGI Coil Supplier for Southeast Asia Market – ChinaCNU Steel
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Color coated steel coil demand in Southeast Asia continues to rise in 2026 due to rapid urbanization and infrastructure spending. Buyers increasingly seek a PPGI coil supplier for Southeast Asia market who can guarantee uniform coating thickness, strict […]
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Galvanized Steel Coil Weight Per Square Meter: Complete 2026 Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. How to Calculate Galvanized Steel Coil Weight Per Square Meter The base formula for galvanized steel coil weight per square meter combines steel density, sheet thickness, and zinc coating mass. Steel density is 7,850 kg/m³. A 1.0 mm […]
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Prepainted Galvalume Coil for Metal Roofing: Durable AZ150 Solutions
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. What Is Prepainted Galvalume Coil and Why It Dominates Metal Roofing Prepainted galvalume coil, also known as PPGL (Prepainted Galvalume), starts with a steel substrate coated with an aluminum-zinc alloy (typically 55% Al, 43.4% Zn, and 1.6% Si). […]
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PPGI Coil for Roller Shutter Door – Durable Prepainted Steel
Certificate records — Review the certificate holder, scope and current verification status. Confirm the documents applicable to your order. Why PPGI Coil Is Essential for Roller Shutter Door Performance Roller shutter doors are subjected to repeated coiling and uncoiling, abrasion from guide rails, and exposure to rain, dust, and temperature swings. A standard galvanized steel […]
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Galvanized Steel Coil for Highway Guardrail: 2026 Buyers Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Why Galvanized Steel Coil is Critical for Highway Guardrail Highway guardrails must withstand vehicle impacts, weather extremes, and decades of outdoor exposure. Galvanized steel coil for highway guardrail offers unmatched durability because the hot dip galvanized coil process […]
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