... of hard alloy 1.Diameter 16~340 mm 2.Thickness:1.0~2.5 3.Alloy: ... 5A03,5A05,5A06,5A12 3A21,2A11,2A12,2A14 2A16, Variety specification of the profile VarietySection areaDiameter of corcumscribed circle(mm)The thickness of ... alloyProvide state* ProvideLength(m)Solid profile of hard alloy0.330φ30-φ3001.55A03,5A05 ... 3A216061,6063,6005H112OT4T5T61.0-6.0Hollow profile of soft alloy0.550φ20-φ3401.01070A, ...