Project Overview

Client Requirements
Material Standard: ASTM A53 Grade B ERW steel pipes
Dimensional Range: 4-inch to 12-inch diameter, SCH80 wall thickness
Total Quantity: 60,000 meters (3,312 metric tons)
Delivery Point: Port of Durban, South Africa
Application: Mining water supply, slurry transport, and general plant piping
Technical Solution
We supplied ASTM A53 Grade B ERW steel pipes suitable for mining applications, offering balanced mechanical properties and corrosion resistance for various service conditions.
Product Specifications
Standard: ASTM A53 Grade B
Manufacturing Process: Electric Resistance Welding (ERW)
Size Range: 4-inch to 12-inch nominal diameter
Wall Thickness: SCH80
Total Supply: 60,000 meters / 3,312 metric tons
Delivery: FOB Durban Port, South Africa
Key Product Advantages
Pressure Rating: SCH80 wall thickness suitable for moderate to high-pressure applications
Weld Quality: ERW process ensures consistent weld integrity and dimensional accuracy
Material Properties: Minimum yield strength of 35,000 psi (240 MPa) per ASTM A53 GR.B
Corrosion Resistance: Suitable for various mining water and slurry services
Quality Assurance
Process Control: Continuous monitoring of welding parameters and dimensional accuracy
Testing Protocol: Hydrostatic testing, non-destructive examination, and mechanical properties verification
Documentation: Complete mill test certificates with traceability to heat numbers
Project Execution
Supplied multiple pipe sizes in single procurement package
Maintained consistent quality across all diameter ranges
Ensured timely delivery to meet project construction schedule
Provided complete certification package for customs clearance and project compliance
Value Delivered
System Reliability: Consistent pipe quality ensured trouble-free installation and operation
Cost Efficiency: ERW manufacturing process provided optimal cost-to-performance ratio
Schedule Compliance: On-time delivery supported project timeline requirements
Technical Support: Comprehensive documentation and technical data for engineering compliance
The successful implementation of this piping system provided the mining project with reliable fluid transport infrastructure, supporting both exploration activities and ongoing mining operations with minimal maintenance requirements.




