Strong and Fire-Resistant
Hollow Metal Window Frames offer a combination of strength and fire resistance. Compared to aluminum window frames, steel frames have natural advantages in bending strength and fire rating. They are especially suitable for commercial buildings, hospitals, schools, and industrial plants with high safety requirements. Our Hollow Metal Window Frames are made of cold-rolled steel or stainless steel. Through precision cold roll forming and robotic automatic welding, the four corners of the frame have strong, aesthetically pleasing, and dimensionally accurate welds. With nearly 30 years of metal processing experience, we have strict quality control standards for dimensional accuracy and weld quality. Every finished Hollow Metal Window Frame undergoes 100% inspection. This ensures smooth opening and good sealing during on-site installation.

Custom Finishes and Sizes
For construction project buyers, surface finish and size customization are equally important for Hollow Metal Window Frames. Our powder coating line offers many standard and custom colors. The coating has strong adhesion and good weather resistance. Frame sizes are fully customized to customer drawings. They can accommodate different glass thicknesses and opening methods. Export packaging uses cartons with foam protection. Dividers between frames prevent friction and scratches. We provide a 6-12 month product warranty and our after-sales team responds within 24 hours. Our Hollow Metal Window Frames meet the needs of demanding building projects.
Products Description
Technical Data Sheet
|
Parameter |
Specification / Range |
|
Material |
Cold-rolled steel plate, Galvanized steel plate, Stainless steel |
|
Thickness Range |
1.0mm - 2.5mm |
|
Frame Types |
Fixed window, Casement window, Sliding window |
|
Surface Treatment |
Powder coating, Galvanizing, Baking paint |
|
Dimensions |
Customized to customer drawings |
|
Welding Process |
Robotic automatic welding |
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