Used for

• CFTs (Concrete-filled tubes)
• Concrete-filled FRP tubes
• Concrete-filled fiber-reinforced polymer tubes
• Concrete-filled high-strength steel tubes
• Concrete-filled steel tubes
• Fiber-reinforced polymer tubes, Concrete-filled
• High-strength steel tubes, Concrete-filled
• Polymer tubes, Concrete-filled fiber-reinforced
• Steel tubes, Concrete-filled