spiral steel pipes

Hebei Zhong Tai Steel Pipe Manufacturing Co., Ltd. specializes in producing various kinds of steel pipes in North of China, We obtained ISO9001 certificate in 2000 and API 5L certificate in 2001. Our company has advanced detection equipment: X-ray tester, ultrasonic tester, hydrostatic tester, tensile testing machine, metallographic analysis instrument, physical and chemical laboratory and measuring system. Our company has 10 hot-expanded thermal units, 4 alloy hot-rolled (seamless) pipe production lines, and 5 spiral pipe production lines, with an output of more than 400,000 tons. Our material includes 10#, 20#, 35#, 45#, 16Mn, Q235, Q345B, Q345C, Q345D and 20g.Hot-expanded steel pipes and hot-rolled steel pipes are produced as per API spec. 5C, GB/T 8162, GB/T8163 standards. Spiral pipes are complied with API 5L spec., GB/T9711.1 standards, which are widely used in low-pressure fluid pipeline and construction.
spiral steel pipes