Commonly used spiral steel pipes do not use Q235 material. Commonly used spiral steel pipe materials in China generally include Q235A, Q235B, Q345, L245, L290, X42, X52, X60, X70, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb materials.
Spiral pipes, also called spiral steel pipes or spira...
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