EN 
DE 
RU 
FR 
PT 
ES 
IT 
JA 
MGRACK | DOUBLE-SIDED A-FRAME GLASS RACK | KD SHIPPING
A welded fixed rack occupies its full shipping envelope even when it is empty. Mgrack uses a knock-down arrangement so the base and triangular A-frame sections can be separated, nested, and secured for shipment. Depending on rack size and configuration, a 40HQ loading plan can be illustrated at 90–144 sets. That is a planning range—not a standard quantity—and the final count must follow your panel dimensions, rack layout, and packaging choice.
For glass fabrication workshops, stone slab handlers, door manufacturers, and photovoltaic-panel buyers, freight is often decided before the rack carries a single panel. A welded dead frame may be ready to use, but an empty unit cannot collapse into another unit. The container therefore pays to move repeated full-height shapes. Mgrack changes the comparison: buy a mobile double-sided A-frame glass rack for internal handling, but ship the empty structure as a compact KD package. The question is not simply “What is the rack price?” It is “How many usable rack sets can move in one 40HQ, and what happens when empty racks return?”
Project references indicate the scale of the opportunity. The working configuration range is about 90–144 sets in a 40HQ, depending on dimensions and arrangement. A recorded stone-rack loading reached 144 sets, while an A-frame door-rack project recorded 180 sets. These are configuration examples and historical records, not a universal Mgrack promise. A quote must be calculated from your actual rack envelope, panel requirements, and packing plan. In a suitable comparison, reducing empty volume can make sea freight roughly half that of comparable welded fixed frames—but the result must be verified for the project.
How the KD structure is separated and nested
The shipping logic is straightforward. The base is separated from the triangular A-frame layers, and the empty steel sections are nested or stacked so unused space between frames is reduced. Pre-drilled bolt-hole details allow the destination team to identify the assembly points rather than receiving one tall, permanently welded envelope. The parts are then secured for container handling. This is the causal chain behind the freight advantage: separate the bulky geometry, nest repeated components, increase the number of empty rack sets per container, and lower the freight cost allocated to each set. After arrival, the buyer or a local installer bolts the base and A-frame sections together before the rack enters service.
What the 40HQ range means for a buyer comparing welded frames
Do not put “144 sets” into a purchase order as if it were a standard loading specification. Treat 90–144 as a configuration window to test against your dimensions, and use the 144-set and 180-set records as evidence that loading density can change materially between products. A larger panel envelope, thicker protection, wider access requirement, or different forklift arrangement can reduce the count. Conversely, a compact rack design and controlled nesting plan may improve it. The correct comparison should include rack price, 40HQ quantity, packaging material, destination assembly labor, and the cost of returning empty frames. A lower unit price on a welded rack may disappear if the container is mostly moving air around full-height frames.
Stretch wrap versus wooden crates: protect the finish without hiding the cost
Stretch wrap is lighter and more space-efficient for nested empty rack units; the shipping reference shows stacked blue steel units secured with transparent film. It can be the practical choice when maximum 40HQ quantity is the priority. The trade-off is cosmetic and environmental exposure: during a long voyage, rubbing, moisture, and handling abrasion may cause minor scuffing or light paint loss on powder-coated steel. That possibility should be stated openly, not treated as a defect-free guarantee. Wooden crates add separation and impact protection for the painted frame, small hardware, and higher-risk handling routes, but they add material, labor, volume, and disposal considerations. Ask for a balanced plan if you need both loading efficiency and stronger surface protection.
What to confirm before you order a mobile glass storage rack
- Send maximum panel length, height, thickness range, material type, and unit weight so the rack envelope and protection points can be reviewed—not guessed from a catalogue photograph.
- State whether loading uses a forklift, overhead lifting, or manual positioning, and provide aisle and floor constraints; caster movement, lifting lugs, and any required anchoring must match the site method.
- Choose between stretch wrap and wooden-crate protection after weighing 40HQ quantity, long-voyage paint exposure, hardware protection, and destination disposal requirements.
- Plan for destination assembly: the KD package requires the base and A-frame sections to be bolted together before use. If you need fully assembled, immediately operational racks, confirm whether KD is suitable.