Four uncompromising technical pillars that ensure structural integrity, precise site fit-up, and long-term durability in extreme climate conditions.
Every project is modeled using Tekla Structures 3D BIM software. We extract NC files directly to CNC machines, ensuring 100% clash detection and piece-mark matching for zero-error on-site assembly.
Equipped with heavy H-beam automated Submerged Arc Welding (SAW) lines and high-definition plasma/laser CNC cutting, achieving millimeter-level cutting tolerances and deep weld penetration.
Components pass through an automated 8-impeller shot blasting machine achieving Sa 2.5 cleanliness. We offer ISO 12944 compliant Epoxy Zinc-Rich systems and EN ISO 1461 Hot-Dip Galvanizing (HDG).
All raw steel (Q355B/D, S355JR, A572 Gr50) is sourced with Mill Test Certificates (MTC EN 10204 3.1). Full-penetration welds undergo Ultrasonic Testing (UT) by Level-II certified inspectors.
In-depth technical guides answering complex questions regarding steel standards, anti-corrosion selection, and container shipping.
Coating QA/QC
Master ISO 4624 & ASTM D4541 pull-off adhesion testing on heavy structural steel. Analyze coating failure modes, dew point delta rules, and eliminate misleading MPa inspection data.
PEB Value Engineering
Cut portal frame steel building costs by 15–30%. Master bay spacing, tapered built-up rafters, Z-purlin lap joints, and export logistics.
How custom steel pallets and high-density bundling maximize container volume utilization, reduce ocean freight per ton, and prevent paint abrasion during transit.
Evaluating slip factor requirements (µ ≥ 0.45) across shot-blasted bare steel and inorganic zinc-rich primers for slip-critical structural connections.
| Standard Region | Design & Welding Code | Steel Grade Equivalent | Galvanizing / Coating Code |
|---|---|---|---|
| Chinese Code (GB) | GB 50205-2020 / GB 50017 | Q235B / Q355B / Q355D | GB/T 13912 |
| European Standard (EN) | EN 1090-2 (EXC2 & EXC3) / EN 1993 | S235JR / S355JR / S355J2 | EN ISO 1461 / ISO 12944 |
| American Standard (ASTM/AISC) | AISC 360 / AWS D1.1 Welding Code | ASTM A36 / A572 Grade 50 | ASTM A123 / SSPC Surface Prep |
| Australian Standard (AS/NZS) | AS 4100 / AS/NZS 1554.1 Structural Welding | Grade 250 / Grade 350 / Grade 350L15 | AS/NZS 4680 |
Upload your DWG or Tekla IFC files today. Our senior structural engineers will perform a 3D clash review and provide a detailed BOQ within 12 hours.