... ,2A11,2A12,2A14 2A16, Variety specification of the profile VarietySection areaDiameter of corcumscribed circle(mm)The thickness of ... wall (mm)Provide alloyProvide state* ProvideLength(m)Solid profile of hard alloy0.330φ30-φ3001.55A03,5A05,5A06 ... ,8A06, 5A02,3A216061,6063,6005H112OT4T5T61.0-6.0Hollow profile of soft alloy0.550φ20-φ3401.01070A,8A06, ... 6 meters and should be marked out in the contract.