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main · secondary
Pipe racks
Multi-level pipe racks and pipe bridges with cable tray levels, bracing and access – as stick-built steel or pre-assembled modules.
Solution · Oil, gas & process plants
Oil & gas steel fabrication – pipe racks, modules and process structures
Pipe racks, process modules and skids, equipment support structures, tank access and lattice structures – fabricated to the project specification under certified welding, full material traceability and a complete manufacturing data record, and protected for the plant environment.
- ISO 3834-2
- Certified welding quality comprehensive quality requirements
- EXC3 · CC3
- Execution class EN 1090-2 · AS/NZS 5131
- 3.1 / 3.2
- Material certificates EN 10204, heat-traceable
- MDR
- Complete dossier handed over with the steel
Fabrication for the plant environment
Process plants put structural steel under demanding conditions: heavy, hot and vibrating pipe loads, wind and seismic actions on tall structures, corrosive and sometimes marine atmospheres, and owner specifications that leave no room for undocumented work.
We fabricate to the project specification – the client's own standards, PIP or NORSOK practices, AISC, EN or AS/NZS – with welding procedures and welders qualified for the job, an agreed inspection and test plan, non-destructive testing to the specified extent and a manufacturing data record for every lot. Modules and pipe racks can be pre-assembled to reduce work at site.
Scope
Steel structures for process plants
Structural and miscellaneous steel for upstream, midstream and downstream facilities.
main · secondary
pre-assembled
Process modules & skids
Structural frames for process modules, equipment skids and pre-assembled units, with floors, lifting points and transport bracing.
vessels · exchangers
Equipment support structures
Multi-level structures around columns, vessels and exchangers with platforms, stairs and caged ladders.
storage
Tank stairs & platforms
Spiral and straight stairs, roof platforms, walkways and handrails for storage tanks.
tall structures
Lattice & flare structures
Lattice towers and derrick-type support structures with access platforms.
plant buildings
Shelters & buildings
Compressor and pump shelters, warehouses, workshops and control buildings.
적용 분야
Why fabricate oil & gas steel with World Steel
01
Specification-driven
We work to your project specification and its referenced standards – and raise technical queries before steel is cut, not after.
02
Certified welding
ISO 3834-2 welding quality system, qualified procedures and welders, and NDT by qualified inspectors.
03
Traceable materials
EN 10204 3.1 or 3.2 certificates, heat numbers carried to every piece mark.
04
Coating for the environment
Paint and galvanising systems to ISO 12944 up to CX and offshore-related systems, with DFT and adhesion records.
05
Modularisation
Pipe rack modules, process skids and pre-assembled units that move work from site to the factory.
06
Complete documentation
ITP, NDT reports, coating records and a manufacturing data record for handover.
기준 및 규정 준수
Specifications and standards
Oil and gas projects are governed by the owner's specification; these are the standards we most often work to.
Industry practices
- PIP STS05120Fabrication and erection of structural and miscellaneous steel (Process Industry Practices)
- NORSOK M-101Structural steel fabrication
- ISO 12944-9 · NORSOK M-501Protective coating systems for offshore and related structures
- ISO 3834-2 WSC 인증 보유Quality requirements for fusion welding – comprehensive
United States
- AISC 360 · AISC 303Structural steel design; code of standard practice
- AWS D1.1Structural welding code – steel
- ASCE 7Wind and seismic loads for industrial structures
Europe
- EN 1090-2 WSC 인증 보유Execution of steel structures – EXC3
- ISO 15614 · ISO 9606Welding procedure and welder qualification
- EN 10204Inspection documents – 3.1 and 3.2 certificates
Australia
- AS/NZS 5131 WSC 인증 보유Fabrication and erection – CC3
- AS/NZS 1554.1Structural steel welding
참고용 요약입니다 – 프로젝트 시방서, 채택된 기준 판본 및 관할 기관의 요구가 우선합니다.
Documentation
The manufacturing data record
What the MDR typically contains – agreed with you in the ITP.
Inspection & test plan
Before fabrication
Activities, acceptance criteria, hold and witness points.
Material certificates
EN 10204 3.1 / 3.2
With heat traceability to piece marks.
WPS, PQR & welder qualifications
Welding
Procedures and welders qualified to the specified code.
NDT reports
VT · MT · PT · UT · RT
Extent and acceptance as specified, by qualified inspectors.
Dimensional reports
Fit-up · trial assembly
Checks of modules, racks and critical interfaces.
Coating records
Surface · DFT · adhesion
Surface preparation, film thickness and adhesion tests.
Release notes
Per lot
Inspection release and third-party sign-off where required.
Packing & shipping records
Logistics
Packing lists, marking and loading records.
Contents follow the project specification and the agreed ITP.
Quality
Every weld, every heat, every coat – on record
Each project starts with an inspection and test plan agreed with you and your third-party inspector, with hold and witness points. Materials are checked against their certificates and traced by heat number; welds are made to qualified procedures by qualified welders and examined by VT, MT, PT, UT or RT to the specified extent.
Coating is applied and checked to the coating specification, and the manufacturing data record – certificates, procedures, NDT and coating reports, dimensional checks and release notes – is completed before each lot ships.
Modularisation
More work in the factory, less at site
Remote sites, short shutdown windows and high site labour costs favour modules. We fabricate and pre-assemble pipe rack modules, process module frames and equipment skids with floors, stairs and lifting points, and design transport bracing and sea-fastening interfaces with your logistics team.
Trial assembly and dimensional control in the factory make sure modules connect at site the first time.
Protection
Coating systems for the plant environment
Process plants range from C3 to CX and splash-zone exposure. We apply paint systems and hot-dip galvanising to the coating specification – ISO 12944, NORSOK M-501 or the owner's system – with surface preparation, dry-film thickness and adhesion records for every lot. See also our coastal and island solutions.
프로세스
From specification to shipment
- 1
Specification review
Technical queries and deviations agreed before fabrication.
- 2
ITP & procedures
Inspection plan, WPS/PQR and coating procedures approved.
- 3
Materials
Certified material received, checked and traced.
- 4
Fabrication & NDT
Welding, NDT and dimensional checks at hold points.
- 5
Coating & assembly
Coating, inspection and trial or module assembly.
- 6
MDR & release
Dossier completed, lot released and shipped.
EN 1090 EXC3 · CE
AS/NZS 5131 CC3
IAS AC472인도 조건 · Incoterms® 2020
필요한 조건으로 인도합니다
World Steel은 공장 인도, 본선 인도 또는 귀사의 항구나 현장 인도 가격으로 견적합니다. 수출 포장, 서류 및 호찌민시 선적은 서비스에 포함됩니다.
Incoterms® 2020 전체 비교 →FAQ
자주 묻는 질문
Can you fabricate to our company specification?
Yes. We review your specification and its referenced standards, raise technical queries and agree any deviations before fabrication starts.
Which welding codes do you work to?
AWS D1.1, AS/NZS 1554.1 and EN 1090-2 with ISO 15614 procedures and ISO 9606 welders, under our ISO 3834-2 welding quality system – as the project specifies.
Do you allow third-party inspection?
Yes. Your inspector or a third-party agency can attend hold and witness points defined in the ITP, and EN 10204 3.2 certificates can be arranged.
Can you pre-assemble modules and pipe racks?
Yes. We fabricate and pre-assemble module frames, pipe rack modules and skids, with lifting points and transport bracing agreed with your logistics team.
Which coating systems can you apply?
Paint systems and hot-dip galvanising to ISO 12944 up to CX, NORSOK M-501 or the owner's specification, with full inspection records.
Have a package out for tender?
Send us the specification, drawings and MTO – we review it and reply with a fabrication proposal, ITP outline and schedule.