GB/T 2101-1989

This standard specifies the general requirements for the acceptance inspection, packaging, marking, and quality certification of section steel products, including shapes like I-beams, channels, angles, and H-beams. It is applied in the Chinese metallurgical industry for quality control and logistics, ensuring that section steel delivered from manufacturers to construction, machinery, and infrastructure projects meets uniform documentation and handling criteria. The standard governs the procedures for verifying product compliance, proper packaging to prevent damage, clear marking of specifications, and issuance of quality certificates during procurement and supply chain transactions.