Steel fabrication in China — qualified welding, machined accuracy, one engineer accountable
P&A International delivers welded steel fabrications — frames, machine bases, skids, guards and structural assemblies — through vetted partner factories in China, every one ISO 9000 certified or better. Your project runs under one dedicated engineer from weld-procedure review to coated, inspected delivery.
Heavy fabrications live or die on weld quality and post-weld accuracy. We qualify the weld procedures, control distortion, and machine critical interfaces after welding so your equipment bolts together the first time.
consultancy + manufacture
per project, end-to-end
qualified samples with test data
every supplier certified or better
procedure and welder records on request
Steel fabrication services
Frames & weldments
Welded steel frames, skids and bases in mild and stainless steel, sized from bench-top to machine-scale.
Plate work
Profiled, formed and welded plate components with controlled edge preparation and fit-up.
Machined weldments
Critical faces, bores and mounting patterns machined after welding for assembly-ready accuracy.
Coatings & delivery
Blast, prime and paint systems or galvanising, inspected and packed for export as complete assemblies.
From a one-off machine base to repeating production frames — the partner line is matched to the weight, size and welding class of your work.
Engineering capability
- MIG and TIG welding with qualified procedures; welder qualification records on request
- Weld distortion control: fixturing, sequencing and post-weld stress relief where specified
- Post-weld CNC machining of critical faces, bores and mounting patterns
- Plate profiling, bevelling and forming up to heavy sections
- Blast and paint systems, hot-dip galvanising, powder coat on lighter fabrications
- Dimensional inspection of weldments against your drawing, with reports
- NDT (dye-penetrant, ultrasonic) arranged where your specification requires it
- Export packing engineered for heavy and awkward assemblies
At a glance
| Materials | Mild steel (Q235/Q355, A36 equivalent), stainless 304/316 |
| Work envelope | Bench-top brackets to multi-tonne machine bases |
| Welding | MIG / TIG to qualified procedures; records available |
| Accuracy | Machined interfaces to drawing tolerance after welding |
| Batch size | One-offs and recurring production |
| Prototype lead time | First articles typically 2-3 weeks depending on size |
| Coatings | Blast + prime + paint, galvanising, powder coat |
Why engineers & buyers choose PA
For design engineers
Weldments fail at the details: joint access, distortion, datum transfer to machining. Your dedicated engineer reviews the weld map and machining datums before fabrication starts, and first articles arrive with dimensional reports — so the frame your CAD promised is the frame that arrives.
For purchasing
Heavy fabrication from China without the audit burden: every partner is ISO 9000 certified or better, weld and material records are supplied with the quality file, pricing is itemised, and one engineer is accountable from PO to delivery.
3 easy steps to get started
Send your fabrication drawings
Weldment drawings with steel grade, weld symbols and coating spec — or a concept model your engineer can detail.
Weld & machining review
Procedure selection, distortion plan and machining datums agreed; itemised quote returned.
First article, then production
Inspected first article with dimensional report; recurring production under the same engineer.
Applications
Our steel fabrications go into machine bases and frames for industrial automation, energy and battery storage plant, materials-handling equipment, agricultural and transport machinery, test rigs and architectural structures — delivered coated, inspected and ready to bolt into your build.
Part of our metal fabrication in China service. Related: sheet metal fabrication, CNC machining and our guide to choosing a fabrication company in China.
Steel fabrication or another route?
Where welded steel wins, and where another process serves better:
| Welded steel fabrication | Large, strong, stiff structures — frames, bases, skids — at any volume |
| Sheet metal | Lighter gauges and enclosures — see our sheet metal service |
| Casting | Complex repeated shapes at volume where patterns pay back |
| Machining from solid | Small, high-accuracy parts without weld joints |
What to send us for a fast, accurate quote
The more of this you can share, the quicker we can return a proposed fabrication plan and price:
- Fabrication drawings with weld symbols and steel grade
- Coating specification and colour
- Critical machined interfaces and their tolerances
- Quantities and target dates
- Any NDT, stress-relief or certification requirements
A concept model is enough to start — your engineer can produce the weldment detailing for approval.
Get a quote
Describe your frame, base or structural assembly and one dedicated engineer will reply with a proposed fabrication plan and indicative pricing.
One dedicated engineer reviews every enquiry and replies with a proposed fabrication plan and indicative pricing. Your details are used only to respond to your enquiry. Prefer email? support@pa-international.com.au