Φ159×6 Φ159×6 Seamless steel tube (GB/T 8162) CHS 159 6 2884 22.6393 8451870 106313 140526 54.1352 8451870 106313 140526 54.1352 16903740 0.4995 0.4618 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: 20. Nominal dimensions require verification against GB/T 8162:2018 Seamless steel tubes for structural purposes and the manufacturer catalogue. popular