Material Standards: The raw materials utilized for the production of spirally welded steel pipes must conform to the relevant national or industry standards, such as GB/T700 and GB/T1591. These standards stipulate crucial indicators including the chemical composition and mechanical properties of the steel.
Quality Certification: The raw materials should be accompanied by quality certificates that indicate information such as material type, specifications, and performance to ensure traceability and compliance.
Inspection and Acceptance: Incoming raw materials undergo rigorous quality inspections, encompassing tests on chemical composition, mechanical properties, and visual quality, to ascertain that the material quality meets the standard requirements.
