Project Background
Based in Australia, this mid-sized crane manufacturing firm has nearly a decade of hands-on production experience locally. Recently, as it moves to expand its in-house production lines and upgrade existing equipment, the company is in urgent need of square steel rails with precise dimensions – these are critical components for the core load-bearing parts of cranes. The business has set strict requirements when it comes to steel quality, dimensional accuracy, and delivery timelines.

Project Details
| Item | Specification |
|---|---|
| Project Name | Australia 70×40 Custom Square Steel Rail Supply Project |
| Country | Australia |
| Industry | Heavy Equipment Manufacturing (Crane Manufacturing) |
| Customer Type | Local medium-sized crane manufacturing enterprise in Australia |
| Product Supplied | Custom square steel rails (70×40mm) |
| Quantity Supplied | 108 meters |
| Project Completion Milestone | March 2025 (Delivery and acceptance completed) |
Technical Parameters & Quality Control Standards
Core Parameters of Square Steel Rails
- Dimensional Specification: 40×70mm (width × height), length customized according to the client's segmented requirements, with dimensional tolerance controlled within ±0.5mm
- Material Standard: Q235B carbon structural steel, compliant with the national standard GB/T 700-2006
- Weight Indicators: Total net weight/gross weight: 2,400kg (no weight gain from packaging, delivered in nude packing)
- Volume Calculation: 0.679552 cubic meters (facilitating sea freight space calculation)
Quality Control Inspection
A full-batch inspection was conducted before delivery, including dimensional go-no-go gauge testing, material spectral analysis, and surface flatness inspection. This ensured no defects such as bending, cracks, or scarring, meeting the mechanical requirements for heavy-load crane operation.

Delivery & Performance Requirements
- Supply Assurance: Adopted an in-stock direct delivery model to avoid delays in custom production cycles, ensuring alignment with the client's "on-demand supply" production rhythm.
- Logistics delivery time guarantee: We will design a joint transportation plan. The final delivery date is April 10, 2025, and a buffer time for port customs clearance will also be reserved.
Project Implementation Outcomes
We delivered all 108 meters of overhead crane square steel rails on schedule. The client's inspection verified that both the dimensional accuracy and material performance of the rails fully meet the standards for crane core components. This delivery has solved the urgent problem of the client's expansion of the production line. The reliable quality and timely delivery have laid the foundation for future long-term cooperation. The client reported that the crane operated stably after the steel rails were installed.




