Joint Star Steel Structure Ltd. delivers full-cycle structural engineering for industrial warehouses, heavy manufacturing plants, multi-span logistics complexes, and cold chain facilities. Our engineering philosophy balances extreme structural resilience with precision weight optimization, directly reducing steel consumption and ocean freight expenditure for overseas clients.
From initial preliminary layouts to final CNC-ready fabrication drawings, every structural member is calculated against site-specific environmental conditions including seismic zones, cyclonic wind gusts, live loads, and crane travel stresses. By pairing experienced in-house structural engineers with advanced 3D building information modeling (BIM), we prevent on-site fitting discrepancies and accelerate overall erection schedules.
Engineering customized pre-engineered frameworks designed to accommodate exact operational workflows, heavy material handling, and variable architectural envelopes.
Custom engineering of clear-span portal frames up to 60 meters without intermediate columns, multi-span layouts, crane runway beams, and heavy-duty mezzanine systems.
Cold-formed light-gauge steel members configured to transfer envelope wind pressures and live roof loads reliably to primary frames while avoiding local torsional buckling.
Seamless structural detailing for thermal insulation, fire protection, and watertight integrity using sandwich panels or single-skin color-coated profile sheeting.
Dynamic finite-element structural modeling calibrated to geographical meteorological records, handling extreme cyclonic winds, heavy snow accumulations, and seismic shocks.
High-LOD (Level of Development) 3D modeling that generates verified member-by-member part drawings, nesting cut lists, connection calculations, and assembly sequences.
Comprehensive engineering of base plates, anchor bolt positions, and foundation column reactions, providing clear interface data for civil and RCC construction teams.
Standard material grades, structural tolerances, and design parameters implemented across Joint Star Steel building projects.
| Component Category | Material Grade & Standard | Manufacturing / Engineering Specification | Performance & Quality Value |
|---|---|---|---|
| Primary Framing | Q345B (Equivalent to ASTM A572 Grade 50) | Automated submerged arc welded (SAW) built-up H-sections with custom taper | Yield strength ≥ 345 MPa; high tensile load capacity with reduced deadweight |
| Secondary Framing | Q235B / ASTM A653 Structural Steel | Cold-formed C and Z channels with CNC punching, zinc galvanized (120-275 g/m²) | High corrosion resistance; flexible lap joints for wind uplift and suction loads |
| Roof Cladding Options | Alu-Zinc PPGI / Sandwich Panels | 0.47mm - 0.60mm profiled sheets OR 50mm - 150mm PU / EPS / Rock Wool sandwich panels | Watertight interlocking seam, high thermal resistance (R-value up to 6.5 m²K/W) |
| Wall Cladding Options | Color Coated Steel / Insulated Core | 0.47mm - 0.60mm corrugated steel or architectural hidden-screw sandwich panels | Aesthetic appearance, acoustic reduction up to 32 dB, Class A fire non-combustibility |
| Structural Bracing | Solid Round Steel / Angle Steel | X-bracing rods with heavy-duty turnbuckles, cross angles, and pipe tie struts | Controls lateral drift; reinforces overall frame stability under seismic events |
| Fasteners & Hardware | Grade 8.8 / 10.9S High-Strength Bolts | Hot-dip galvanized heavy hex structural bolts (ISO 4014 / ASTM A325 / A490) | Preload-calibrated shear and tension capacity; stainless self-drilling screws with EPDM |
| Surface Treatment | Sa 2.5 Shot Blasting + Epoxy System | Shot blasting to ISO 8501-1; epoxy zinc-rich primer + polyurethane topcoat (100-160μm) | Long-term rust defense for maritime, humid, and chemical-rich industrial environments |
Every industrial project progresses through strict engineering milestones to eliminate site revisions and guarantee smooth export logistics.
Analysis of your operational footprint, site orientation, local meteorological codes, crane specifications, and architectural requirements.
3D computational modeling in STAAD.Pro to evaluate moment distributions, sway deflections, and optimize steel member cross-sections.
Full 3D modeling down to each connection plate, bolt hole, and stiffener, eliminating clash risks between framing, ducts, and envelope.
Exporting direct CNC drilling/cutting files, certified shop drawings, piece mark tags, and comprehensive packing bills of materials.
Supplying detailed multi-view erection guides, anchor bolt templates, and ongoing engineering remote coordination until final handover.
Essential guidance for international general contractors, commercial developers, and procurement managers evaluating our engineering capability.
Our engineering division designs in strict adherence to AISC 360 (American Institute of Steel Construction), MBMA (Metal Building Manufacturers Association), AWS D1.1 (Structural Welding Code), Eurocode 3 (EN 1993), BS 5950, and regional standards such as the BNBC. All calculation books can be submitted in English for third-party consultant vetting.
Unlike standard hot-rolled I-beams that maintain a constant profile across the entire length, our pre-engineered buildings use computer-optimized tapered H-sections that match the actual internal bending moment diagram. This approach cuts total steel weight by 15% to 25%, drastically minimizing raw material consumption and containerized ocean shipping rates.
Clients receive a complete engineering documentation package including full structural calculation books, column base anchor layouts with reaction tables, 3D BIM models, general arrangement (GA) drawings, member fabrication shop drawings, individual piece mark schedules, and step-by-step erection manuals.
Yes. We regularly design industrial facilities featuring overhead EOT bridge cranes from 5 to 50 tons (including runway beams, brackets, and surge bracing), integrated steel-deck composite mezzanines for storage or office use, and reinforced purlin grids capable of carrying rooftop commercial solar photovoltaic arrays.
To prepare an accurate structural proposal and quote, we simply need the overall building dimensions (length, width, clear eave height), intended operational use, project site location (for wind speed, snow, and seismic data), crane lifting requirements (if any), and your chosen cladding specification (sandwich panel vs. single corrugated sheet).
Connect with our senior engineering team to review your building layout, optimize structural weight, and receive a competitive technical proposal tailored for your project timeline.