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By certification 
Specifications:
1) Size range: 6 - 114.3mm OD x 1 - 14mm WT
2) Heat treatment: annealed, bright annealed,non-oxygen furnace
3) Standards: ASTM/ASME A179/SA179, ASTM A199, JIS G3464
4) Continuous stenciling as per requirement
5) Rust prevention treatment, oiled
6) Plastic plugs in both ends
7) Hexagonal bundles of max. 2,000kg with several steel strips
8) Smooth surface, soft mechanical property, tight tolerance
Inner packing:
Two tags on each bundle
Outer packing:
Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
One tag tied on the outer package
Heavy Tri-wall boxes, wooden boxes, slats or frames if client required
