Quick answer: Price a Field Armoury by five blocks, not one number: steel and sections, forming and welding hours, coating, locks and hardware, packing and freight. The minimum is 30 units, tooling is amortised across the batch, and 35 days of lead time breaks into seven stages.
Table of contents
- The Five Cost Blocks Behind a Field Armoury Quote
- Checking Steel and Section Consumption
- Forming Hours and Coating Cost
- MOQ Tooling and Amortisation
- Lead Time RFQ Fields and Warranty
- FAQ
1. The Five Cost Blocks Behind a Field Armoury Quote
A quote you can check is not a total but five unit prices. A typical Field Armoury at 1 080 CNY splits into 270 for steel and sections, 260 for forming and welding, 95 for coating, 145 for locks and hardware, 105 for packing and freight, and 205 for overhead and margin.
Only then does negotiation have a target. Material is checked against the day's steel price, labour against process minutes, coating against area, hardware against model, freight against volumetric weight. A single number hides its margin, and a blanket cut lands on sanding and inspection.
| Block | Basis | Per unit |
|---|---|---|
| Steel and sections | 42 kg sheet, 6.4 m tube | 270 CNY |
| Forming and welding | 4.2 hours at 62 CNY | 260 CNY |
| Coating | 3.6 m², powder plus cure | 95 CNY |
| Locks and hardware | three-point lock, hinges, handle | 145 CNY |
| Packing and freight | crate plus groupage | 105 CNY |
2. Checking Steel and Section Consumption
The body uses 1.2 mm cold-rolled sheet, the door 1.5 mm, the frame 6.4 m of 20 by 20 by 1.5 tube. Net weight is 38 kg but purchasing carries 42 kg for nesting loss, since a 1250 by 2500 sheet yields about 78 percent. At 5 200 CNY a tonne the sheet is 218 and the tube 51, which accounts for the 270 quoted.
Ask for the nesting drawing and the offcut route. Lifting yield from 78 to 84 percent saves 3 kg a unit, 15.6 CNY, or 47 000 CNY over 3 000 units.
| Part | Material | Gauge | Per unit |
|---|---|---|---|
| Sides and top | cold-rolled | 1.2 mm | 2.9 m² |
| Door | cold-rolled | 1.5 mm | 1.1 m² |
| Frame | square tube | 20×20×1.5 | 6.4 m |
3. Forming Hours and Coating Cost
Hours on a Field Armoury accumulate by the minute: laser cutting 6.2 min for a 21.7 m path, fourteen bends at 4.8 min, 420 welds and 6.8 m of seam at 7.5 min, sanding 12 min, assembly 25 min, for 4.2 hours. At 62 CNY an hour that is 260 CNY, close to a quarter of the price.
Coating covers 3.6 m²: shot blast to Sa2.5, phosphate, powder at 70 to 90 μm, cured at 180 °C for 15 min. Powder at 32 CNY a kilo and 0.85 kg a unit plus energy comes to 95 CNY.
4. MOQ Tooling and Amortisation
The 30-unit minimum means same size and colour. Below it tooling will not spread: dies, welding fixture, paint jig and gauge total 18 000 CNY, or 600 a unit at 30, 180 at 100, 60 at 300. Ask how that line is amortised.
Sampling costs 2 500 CNY, credited against orders. Tooling ownership must be written down, or the fixture stays behind when you switch and the dies are paid for twice.
| Batch | Tooling per unit | Landed unit price | Lead time |
|---|---|---|---|
| 30 | 600 CNY | 1 680 CNY | 35 days |
| 100 | 180 CNY | 1 260 CNY | 42 days |
| 300 | 60 CNY | 1 140 CNY | 55 days |
5. Lead Time RFQ Fields and Warranty
A Field Armoury order of 35 days runs as seven stages: material 7, cutting and bending 6, welding 5, coating 5, assembly 6, packing 3, inspection and dispatch 3. Peak-season steel stretches to 10 days, so the contract needs an extension clause and a daily penalty.
The RFQ needs twelve fields: size, gauge and material, colour and gloss, lock model and locking points, shelf count and load, foot type, packing, delivery point, batch, acceptance standard, warranty and quote validity. One missing field costs a round of clarification.
Terms run to three lines: quote valid 30 days; steel movement beyond 5 percent reopens the price against the monthly average; warranty 24 months on the cabinet, 12 on locks, spares at 1 percent, response in 48 hours.
Conclusion
Split the quote into five blocks, spread tooling across the real batch, break lead time into seven stages, and procurement stops comparing totals and starts comparing structure. Negotiate a Field Armoury with these three tables and the price becomes something you can hold.
This article discusses only the container (case body) side of specifications and design intent, and does not cover any handling, loading or use of the contents.
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