Specifications:1) Size range: 10.0 - 72.0mm OD x 1.5 - 8.0mm WT 2 ) Heat treatment: spheroidize annealed 3) Standards: ASTM A295, GB/T-18254 4) Hexagonal bundles of max. 2,000g with several steel strips 5) Smooth surface, uniform mechanical property, tight tolerance, steady microstructureInner packing:Two tags on each bundleOuter packing:Bundles wrapped in PVC sleeve and sackcloth with several steel stripsOne tag tied on the outer package