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Ji-Shaped Precision Steel Profiles for Curtain Wall | Slimline, High-Strength, Fire-Safe
Product Introduction
Our Ji-shaped precision steel profiles are high-performance, custom-engineered structural components designed for building curtain wall systems. Manufactured with advanced cold-forming, laser cutting, and precision machining technologies, these profiles deliver the exceptional structural strength of steel while maintaining a slim, clean aesthetic that complements modern architectural design. Ideal for glass curtain walls and transparent facades, they provide outstanding load-bearing capacity, dimensional accuracy, and fire resistance, making them a top choice for large-format, visually open building designs.
FAQs
Q1: What are the key benefits of choosing Ji-shaped precision steel over traditional aluminum curtain wall profiles?
A1: Ji-shaped precision steel offers far higher structural strength, enabling larger spans with slimmer profiles for a more transparent aesthetic. It also provides superior fire resistance and durability, making it ideal for high-rise and large-scale commercial projects.
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Q2: Can the Ji-shaped profiles be customized for my specific project design?
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Q3: What is the typical lead time for a custom order?
Application Scenarios
Our Ji-shaped precision steel profiles are widely used in various building applications, including:
• Glass curtain wall systems for commercial buildings, office towers, and shopping malls
• Large-span transparent facades in cultural venues, museums, and exhibition centers
• Fire-rated curtain wall projects requiring both safety and modern aesthetics
• High-rise buildings and large-scale public facilities with strict structural and fire safety requirements
• Modern architectural designs pursuing slim structural elements and maximum natural light penetration
Quality Assurance & Packaging
Each Ji-shaped precision steel profile undergoes strict quality control inspections, including dimensional checks, surface finish verification, and material performance testing. Products are carefully packaged with protective films and sturdy wooden crates to prevent damage during transportation and storage.
Product Specifications
|
Item |
Details |
|
Product Name |
Ji-Shaped Precision Steel Profile for Curtain Wall |
|
Material |
Q355B / Q390B High-Strength Low-Alloy Structural Steel |
|
Yield Strength |
≥355MPa (2-4 times higher than common aluminum alloy profiles) |
|
Cross-Section Tolerance |
≤±0.5mm |
|
Straightness Deviation |
≤1.5mm per meter |
|
Surface Treatment |
Hot-dip Galvanized (≥80μm zinc layer) / Fluorocarbon Coating / Custom |
|
Maximum Span |
Up to 15 meters without intermediate supports (subject to engineering design) |
|
Customization |
Available in various cross-sectional sizes, hole positions, and cut-to-length options |
|
Compliance Standards |
Meets JG/T 558-2018, EN 1090 EXC2, and other relevant industry standards |


