Server Cabinet 42U
SKU: FL-IN-004
Standard 19-inch server rack cabinet, 42U, 600×1000mm, with cooling fan options.
| Material | Cold-rolled steel (SPCC, 1.2-2.0mm) |
|---|---|
| Manufacturing Process | Laser cutting + bending + welding + powder coating |
| Surface Finish | Powder coating (black RAL 9005) |
| Tolerance | ±0.5mm |
| Height | 42U |
| Width | 600mm |
| Depth | 1000mm |
| Load capacity | 800kg |
| Cooling | 4 fans |
| MOQ | 20 units |
| Lead Time | Quoted after drawing review and process confirmation |
| Sample Time | Quoted after drawing review and process confirmation |
| Sample Fee | USD 380 |
| Price Range | USD 320-450/unit |
| Applications | Data centers, server rooms, telecom facilities |
| Compliance | EIA-310-D, IEC 60297 |
| Export Markets | USA, Germany, Singapore, UAE |
How This 42U Server Cabinet Is Fabricated and Checked
A 42U cabinet is a structural problem before it is an electrical one. It has to carry the weight that goes into it, stay square enough that rails line up over the full height, and still be movable while it is empty and being positioned.
| Stage | What happens | What is verified before the job moves on |
|---|---|---|
| Shell forming | Side panels, top, base and rear panel formed on the press brake from cold-rolled or stainless sheet | The first-off is checked for overall dimensions, square and the flange widths that set the internal clear width |
| Frame and seam welding | Base frame and corner seams welded where the structure carries load | Diagonals measured across the front opening. A cabinet that is out of square here will not accept rails properly over 42U |
| Rail position and U pitch | 19-inch rails positioned and the U-pitch mounting holes made | The rail face-to-face distance and the pitch checked at the bottom, middle and top, because pitch error accumulates rather than staying local |
| Ventilation and cable entry | Louvres, fan apertures and cable entries made; gland plates and brush strips fitted | Cut-out positions and burr condition. A burr at a cable entry damages insulation during installation |
| Surface preparation and coating | Degrease, phosphate, then powder coat with bonding pads and thread areas masked | Film thickness and colour, plus coverage inside corners and around cut-outs |
| Assembly and hardware | Doors, locks, hinges, levelling feet or castors fitted | Door alignment, lock engagement, and the frame checked for square once the doors and panels are on |
| Packing | Wrapped, corner protected, palletised or crated to the transport route | The packed unit compared with the packing specification, and the pallet photographed before it closes |
Revisions That Skip New Tooling on Server Cabinet 42U Sheet Metal
Most of what a buyer wants to change on a cabinet moves a setting rather than a tool. The right-hand column is the useful one: it is what stays stable while the rest changes.
| What can be changed | What it affects | What it does not affect |
|---|---|---|
| Height in U, width and depth | Rail length, panel sizes and the packing footprint | The 19-inch rail standard and the U pitch, provided the width stays compatible |
| Front door, rear door or both | Hinge positions, lock type and the access clearance on site | The internal clear width |
| Static load rating and base construction | Base frame section, and the foot or castor specification | Door and panel geometry on an otherwise standard cabinet |
| Ventilation: louvres, fan tray, filtered intake | Cut-out positions and the airflow path through the cabinet | The frame. Airflow is decided at the shell, not in the structure |
| Gland plates and brush entries | Cut-out size and position in the base or roof | The coating, although whether they are fitted before or after is recorded either way |
| Colour, finish and baying kit | Powder specification, and how adjacent cabinets are joined | Nothing structural |
Short Answers on Server Cabinet 42U Sheet Metal
What do the 19-inch rails actually need?
The rail faces have to be parallel and the U pitch has to hold over the whole height. What fails in practice is not one hole being off, but cumulative pitch error that only shows near the top of a tall cabinet. That is why the pitch is measured at three heights rather than at the first hole.
Can the cabinet be shipped with equipment installed?
It is possible where the installation is part of the scope and the cabinet is braced for that route, but it changes the packing and the load case entirely. Say so at enquiry stage: a cabinet packed for an empty cabinet is not adequate for one with ballast bolted into the base.
How is the earth bonding point handled?
As a defined, masked area rather than a location left to the installer. The stud or pad is fitted before coating and masked through it, so coating never sits between the bonding point and the frame. Continuity is checked at assembly, not discovered at commissioning.
The shell, the frame and the coating are where the cost sits, and they are also where the decisions are still cheap to change. Send the drawing or describe the cabinet through the RFQ form and we will confirm the rail standard, the load case and the packing before quoting. Related: metal enclosure manufacturing, custom sheet metal fabrication and export packaging.
Rail Pitch Errors Show Up at U 20, Not U 1
A 42U cabinet is a 19-inch rail pattern nearly two metres tall. Each U is a fixed pitch, and the rails have to repeat that pitch from the bottom of the cabinet to the top. An error of a few tenths of a millimetre in one pitch is invisible on its own. Multiplied across 42 positions it becomes a cage nut that will not line up, or equipment that goes in under stress and then will not come out. That is why the rail holes on a tall cabinet are produced in one program and one setup, and why the first article is checked against a rack-mount gauge rather than against a tape measure.
- The rails are adjustable front to back on most designs, which means the frame has to stay square while they are moved – a frame that is out of square turns rail adjustment into a fight.
- Squareness is checked on the welded frame before coating. Powder coating hides a lot, and a cabinet that goes together beautifully on the bench can still be out of square underneath the finish.
- Equipment rails carry the load into the frame, and the frame carries it into the floor. If the cabinet is going on a raised floor, the tile rating matters as much as the cabinet rating.
Why 1000 mm of Depth Is Usually About Cable, Not Servers
Servers rarely need a metre of depth. Cable does. A fully populated 42U cabinet carries a serious weight of copper at the back, and that weight hangs off the rear of the cabinet and pulls the centre of gravity backwards. Depth gives you room to route it properly, to separate power from data, and to leave a service loop so a device can be pulled forward without unplugging it. A 600 mm deep cabinet holding the same equipment will work, but the cable management will be compressed into whatever is left, and the first person to service it will discover that.
The stated load capacity is a static, distributed figure. What actually happens on site is different: a full cabinet is rolled into position on castors, levelled on feet, and then loaded top-down or bottom-up depending on the installer. Loading one end first puts a point load into the frame long before the rated capacity is reached. We build the frame to take the rated load and we tell you the rating refers to distributed static load. If the cabinet will be moved with equipment installed, say so at quote stage – that is a different duty and the frame and the castor mountings are specified differently. Lead time is quoted after drawing review and process confirmation.
Payment Terms
How a project is paid for is agreed before production starts, and the structure that applies to your order is stated on the quotation and on the order confirmation, so there is no ambiguity later.
- 30% advance payment with the order and the 70% balance before shipment — our standard structure.
- 70% advance payment with the order and the 30% balance before shipment — used for some projects.
- 100% payment in advance before production starts — used for some projects.
If your finance team works to a fixed structure, say so in the first enquiry and we will confirm what applies to your order before you commit. Request a quotation.
Questions buyers ask before sending drawings
The questions that come up most often before a project starts, answered the way we answer them by email.
What do you need from me to quote Server Cabinet 42U?
2D drawings as PDF, DWG or DXF, or 3D files as STEP, IGES or SolidWorks, together with material grade, sheet thickness, surface finish, quantity and destination country. If the drawing is not finished yet, send a photo, a sketch or the existing part instead — we review what can be measured from it and reply with the questions that still need answering.
How long does a quotation take?
Enquiries are answered within one business day. Simple laser-cut and bent parts are quoted within 24 hours. Welded frames, assembled units and multi-part structures are quoted after the drawing review and process confirmation, and the date is confirmed in our reply.
Is there a minimum order quantity?
Prototypes are made from a single piece and small batches of 10–50 pieces are routine. Prototype, first batch and repeat volume are quoted together so the numbers stay consistent as the project scales.
Can you work from a sample or a photo if I have no drawing?
Yes. Send the part itself, clear photographs with a rule or caliper in frame, or a dimensioned sketch. We measure what can be measured, list what is still undefined, and confirm it with you before production.
Need a Similar Part?
Most enquiries that start on a page like this are not an order for Server Cabinet 42U — they are a search for a factory that can make something like it. Send us your drawing, 3D model or sample and we will review the manufacturing process and the quotation requirements, then come back with a process plan, a price and a lead time.
We work from 2D drawings, STEP / DWG / DXF / PDF files, or a physical sample if that is all you have.
No complete drawings yet? Describe the part, send photos or a sketch, or send a sample — we can start from there. Discuss your project.
Trade Terms and Delivery
We quote under the standard Incoterms your logistics team already works with, and build the packing and documentation around the one you choose.
- EXW — you collect from our Ningbo facility and run export clearance through your own forwarder.
- FOB Ningbo — we deliver to the vessel at Ningbo port and handle export clearance.
- CIF — we cover carriage and insurance to your named destination port.
- DDP — we handle carriage, insurance, import clearance and duties through to your door.
Send your destination country, target delivery date and preferred trade term together with the drawing. Request a quotation.
Quotation Time
We quote from your drawings. How long that takes depends on what the part asks for:
- Simple parts — quoted within 24 hours. Laser-cut blanks and bent components, supplied with complete 2D or 3D drawings. Mon–Fri, GMT+8.
- Complex assemblies — quoted after the drawing review. Payment kiosks, multi-part welded frames, enclosures with purchased hardware, or anything needing a coating or assembly trial. We confirm a quotation date once the scope is clear.
Production lead time is quoted separately, after drawing review and process confirmation. Send your drawings.
What stands behind this quotation
- Manufacturing since 20162,500 m² Ningbo plant — 3 laser cutting machines (including newer TRUMPF), 4 CNC press brakes and 10 welding stations.
- Shipped to more than 30 export marketsEnclosures, cabinets and formed parts supplied to OEM buyers across Europe, North America and Asia.
- 123 documented product casesMedical device housings, HVAC and heat pump enclosures, agricultural and livestock equipment, industrial hydraulics, material handling trolleys and EV charging cabinets.
- Factory evidence you can checkTUV Rheinland audit reference MIC-ASI243729 and Bureau Veritas reference MIC-ASR263630 available for buyer review under NDA.
Before you send drawings: an NDA is signed on request · first-article inspection is carried out before a batch continues · pricing is staged from prototype quantity to repeat volume · pre-shipment photos and packing records are prepared when the project needs them.