Φ325×10 Φ325×10 Seamless steel tube (GB/T 8162) CHS 325 10 9896 77.6837 122865234 756094 992583 111.4254 122865234 756094 992583 111.4254 245730469 1.021 0.9582 Pending verification – nominal dimensions entered by the application developer GB/T 8162:2018 Seamless steel tubes for structural purposes 2018 2018 2026-10-12 UNVERIFIED Typical grade: Q355B. Nominal dimensions require verification against GB/T 8162:2018 Seamless steel tubes for structural purposes and the manufacturer catalogue.