news — from the mill.
Production notes, industry updates, and a little colour on what we’re making this month.
Hot Dip Galvanized Steel Coil Grade DC51D – ChinaCNU Steel
When sourcing hot dip galvanized steel coil grade DC51D for construction, automotive, or general manufacturing applications, you need a supplier that combines rigorous quality control with competitive pricing. At ChinaCNU Steel, our Qingdao factory produces DC51D+Z coils that meet ISO 9001:2026 standards, backed by 15+ years of export experience to over 50 countries. This guide […]
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ASTM A653 CS Type B Galvanized Coil – High-Quality GI Coil Supplier
When sourcing ASTM A653 CS Type B galvanized coil for structural applications, fabrication, or roofing projects, you need a material that balances formability with corrosion resistance. This specification covers hot dip galvanized coil with commercial steel (CS) Type B chemistry, offering excellent ductility for bending and moderate drawing. At ChinaCNU Steel, we supply ASTM A653 […]
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S550GD High Strength Galvanized Steel Coil – Premium GI Coil Supplier
When your project demands exceptional durability and load-bearing capacity, the S550GD high strength galvanized steel coil is the material of choice. This hot dip galvanized coil offers a minimum yield strength of 550 MPa, making it ideal for structural applications where weight reduction and corrosion resistance are critical. As a trusted galvanized steel supplier with […]
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S350GD Structural Galvanized Steel Coil: High-Strength GI Coil for Demanding Applications
When engineers and procurement managers require a material that combines structural integrity with long-term corrosion resistance, the S350GD structural galvanized steel coil is a top-tier choice. This hot dip galvanized coil offers a minimum yield strength of 350 MPa, making it ideal for load-bearing components in construction, automotive, and energy sectors. At ChinaCNU Steel, our […]
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DX52D vs DX51D Galvanized Steel Grade: Key Differences in 2026
When sourcing hot dip galvanized coil for industrial applications, engineers and procurement managers frequently compare the DX52D vs DX51D galvanized steel grade to determine the best fit for their projects. Understanding the mechanical properties, forming characteristics, and typical uses of these two popular GI coil grades is essential for optimizing performance and cost. At ChinaCNU […]
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EN 10169 Organic Coated Steel Coil – Premium PPGI Solutions from ChinaCNU Steel
When sourcing high-performance EN 10169 organic coated steel coil for architectural cladding, roofing, or appliance manufacturing, quality consistency and international certification are non-negotiable. At ChinaCNU Steel, we specialize in producing and exporting organic coated steel coils that fully comply with EN 10169:2022 standards, including PPGI coil, PPGL coil, and GI coil variants. Our Qingdao factory […]
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JIS G3321 Galvalume Steel Sheet – Premium Aluzinc Coil for Roofing
When sourcing high-performance coated steel for roofing, cladding, or industrial fabrication, the JIS G3321 galvalume steel sheet standard is the benchmark for quality and durability. This Japanese Industrial Standard governs hot-dip 55% aluminum-zinc alloy-coated steel sheet and coil, commonly known as aluzinc or galvalume. At ChinaCNU Steel, we supply JIS G3321 galvalume steel sheet from […]
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JIS G3302 SGCC Galvanized Steel Coil – Complete Guide & Supplier
When sourcing JIS G3302 SGCC galvanized steel coil for construction, automotive, or appliance manufacturing, understanding the exact specifications, coating options, and supplier reliability is critical. This guide covers everything from SGCC grades and Z120/Z275 zinc coatings to FOB pricing and global export logistics. As an ISO-certified manufacturer with a Qingdao factory and 15+ years of […]
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ASTM A792 Galvalume Steel Coil Specification: Complete Guide 2026
Understanding the ASTM A792 galvalume steel coil specification is critical for procurement managers in the metal roofing, construction, and automotive industries. This international standard governs the composition, mechanical properties, and coating requirements for steel coils coated with aluminum-zinc alloy (55% Al, 43.5% Zn, 1.5% Si). As a leading galvalume supplier China, ChinaCNU Steel manufactures these […]
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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 Qingdao factory ships over 15,000 tons annually using proven methods that keep hot dip galvanized […]
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