GB/T 4697-2017
ActiveHot rolled steel section for mine timbering
矿山巷道支护用热轧型钢
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and testing methods for hot-rolled steel sections used as support structures in underground mine roadways. It is applied in the mining industry for manufacturing steel arches, beams, and props that reinforce tunnels and prevent collapse during excavation and extraction operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.