Engineered for heavy-duty load performance and flat-pack logistics efficiency, the Modern Metal Bed Frame features a cold-rolled steel structure built with a modular, knock-down architecture. Reinforced side rails and precision-welded support columns accommodate heavy static loads without structural deflection. An electrostatically applied powder finish provides long-term resistance against scratches and rust, while integrated noise-damping hardware prevents frame chatter during use.
Key Features
High-Strength Steel Construction
Fabricated from Q235 cold-rolled steel tubing to deliver high frame rigidity and long-term structural integrity under continuous load.
Heavy-Duty Structural Design
Reinforced perimeter rails and central vertical posts balance weight distribution, preventing mid-bed sagging and stress fatigue at welded joints.
Modular Configuration
Precision interlocking brackets simplify assembly, reducing required hardware components while enabling compact flat packaging.
Stable Load-Bearing Performance
Calculated geometry and structural crossbars retain structural shape under static forces exceeding standard residential and institutional demands.
Corrosion-Resistant Coating
Thermosetting powder coating forms a sealed barrier against moisture, preventing oxidation, flaking, and surface wear over time.
OEM/ODM Customization
Tailored frame dimensions, steel tube thicknesses, clearance heights, color finishes, and drop-ship packaging designed around client production drawings.
Structural Design
Main Frame
Square steel side rails built with reinforced internal corners to resist longitudinal strain and corner twisting.
Center Support
Longitudinal center beam reinforced by vertical steel legs to transfer midpoint weight directly to the floor.
Crossbars
Heavy-gauge transverse steel slats locked into side rails with tight tolerances to prevent slat shifting and mattress sagging.
Legs
Steel leg columns equipped with high-density protective end caps; structural top plates are fully welded to minimize lateral flex.
Connections
Interlocking steel brackets fitted with anti-friction nylon washers to eliminate metal-on-metal friction and operational squeaks.
Modular Components
Pre-assembled sub-components engineered for straightforward field setup and efficient carton space packing.
Steel & Material Specifications
|
Steel Grade |
Q235 Cold-Rolled Carbon Steel |
|
Outer Frame Tube Thickness |
1.2 mm – 1.5 mm |
|
Slat Tube Thickness |
0.8 mm – 1.0 mm |
|
Leg Column Wall Thickness |
1.2 mm – 1.8 mm |
|
Steel Tensile Strength |
≥ 370 MPa |
|
Yield Strength |
≥ 235 MPa |
|
Surface Finish |
Thermosetting Epoxy-Polyester Powder Coating |
Load-Bearing Performance
Static Load Capacity: 1,500 lbs (680 kg) uniformly distributed
Dynamic Load Resistance: Tested via cyclic drop impacts (100 kg load x 10,000 continuous cycles)
Concentrated Load Threshold: 300 lbs (136 kg) single-point force without permanent structural bending
Structural Testing Compliance: Built to meet ASTM F1566 frame stability guidelines
Surface Treatment & Corrosion Protection
Pretreatment Process: Multi-stage chemical degreasing, acid rust removal, zinc phosphating, and deionized water rinsing
Application Method: Electrostatic powder spraying
Coating Film Thickness: 60 – 80 microns
Thermal Curing: High-temperature baking at 180°C – 200°C
Salt Spray Testing: Verified through 72-hour ISO 9227 Neutral Salt Spray testing with zero surface blistering or corrosion creepage
Available Bed Sizes
|
Twin |
38" x 75" (96.5 cm x 190.5 cm) |
|
Full |
53" x 75" (134.5 cm x 190.5 cm) |
|
Queen |
60" x 80" (152.5 cm x 203 cm) |
|
King |
76" x 80" (193 cm x 203 cm) |
Technical Specifications
|
Spec Parameter |
Twin |
Full |
Queen |
King |
|
Dimensions (WxL) |
38" x 75" |
53" x 75" |
60" x 80" |
76" x 80" |
|
Under-Bed Clearance |
12 in (30.5 cm) |
12 in (30.5 cm) |
14 in (35.5 cm) |
14 in (35.5 cm) |
|
Main Tube Size |
30 x 30 x 1.2 mm |
30 x 30 x 1.2 mm |
40 x 20 x 1.5 mm |
40 x 20 x 1.5 mm |
|
Static Weight Capacity |
1,000 lbs (450 kg) |
1,200 lbs (540 kg) |
1,500 lbs (680 kg) |
1,500 lbs (680 kg) |
|
Center Support Legs |
0 |
2 |
3 |
4 |
|
Net Weight |
14.5 kg |
19.8 kg |
24.2 kg |
28.5 kg |
|
Loading Density (40HQ) |
~1,100 sets |
~950 sets |
~850 sets |
~750 sets |
Manufacturing Process
Steel Raw Material Inspection ➜ Precision Laser Cutting ➜ CNC Bending & Stamping ➜ MIG / TIG Precision Welding ➜ Weld Joint & Frame Alignment Inspection ➜ Chemical Pretreatment & Phosphating ➜ Electrostatic Powder Coating & Curing ➜ Trial Assembly & Load Testing ➜ Protective Flat Packaging
Customization Options
Dimensions: Tailored length, width, and under-bed storage clearance to match specific regional mattress sizes.
Material Gauge: Adjustable steel wall thickness ranging from 0.8 mm to 2.0 mm based on structural targets.
Frame Modifications: Custom slat spacing, headboard mounting plate slots, and reinforced leg layouts.
Surface Finishes: Matte, textured, gloss, or custom powder coat selections.
Color Matching: Full RAL color palette options.
Packaging: ISTA-3A drop-test certified mail-order cartons, custom master carton printing, color labels, and barcoding.
Quality Control Procedures
Incoming Material Check:
Spectrometric analysis for steel composition and digital micrometer verification of wall thickness.
Welding Verification:
Visual inspection of weld penetration and seam integrity on all structural stress joints.
Dimensional Tolerances:
Diagonal alignment checks using precision jigs to guarantee square assembly fit.
Coating Performance:
Cross-hatch adhesion testing and magnetic coating thickness gauge verification.
Load Verification:
Batch-sampled static hydraulic compression tests and drop-impact force tests.
Final Inspection:
AQL 2.5/4.0 standard checks covering packaging completeness, hardware package counts, and surface finish consistency prior to container loading.
Packaging & Logistics
Engineered flat-pack construction reduces unit shipping volume, maximizing freight container capacity.
Carton outer dimensions built to satisfy standard parcel courier size thresholds.
Form-fitting EPE foam edge protection, individual plastic bags for steel tubes, reinforced 5-ply corrugated outer boxes, and sealed hardware blister cards.
Optimized box geometry increases total unit count per 40ft HQ container, reducing per-unit sea freight costs.
Frequently Asked Questions
Q: What standard frame sizes are manufactured?
A: Production covers Twin, Full, Queen, and King sizes. Custom length, width, and clearance dimensions can be produced for high-volume orders.
Q: What steel specification is used in the frame construction?
A: Frames are constructed using Q235 cold-rolled carbon steel tubing, chosen for uniform wall thickness, high yield strength, and clean weldability.
Q: What is the maximum weight capacity of the bed frame?
A: Queen and King frames support up to 1,500 lbs (680 kg) of static load, while Twin models support up to 1,000 lbs (450 kg) under evenly distributed conditions.
Q: Can tube thickness and frame structure be modified for project requirements?
A: Yes. Tube profile sizes, wall thicknesses, slat quantities, leg height clearances, and headboard mounting positions can be customized according to client technical drawings.
Q: What surface finishes are available?
A: An electrostatically applied thermosetting powder coating is standard, available in matte black, textured black, smooth white, gray, or custom RAL color codes.
Q: Are custom packaging and drop-ship testing options supported?
A: Full custom packaging solutions are provided, including ISTA-3A compliant drop-test shipping cartons, custom master box branding, and sealed hardware blister packs.
Q: What is the standard Minimum Order Quantity (MOQ)?
A: The standard production MOQ is 200 units per model/size, or a mixed 20ft container load. Production scheduling for smaller pilot batches can be evaluated based on long-term project scope.
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