Product particular communication:

1) Size: OD > 6.35mm & Thk > 0.50mm ;

2) Tight tolerance, Smooth surface, Uniform mechanical property(Mechanical Properties equilibrium) ;

3) Heat treatment: BK, BKS, GBK, NBK,Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normalized, Quenched and Tempered, Solution Annealing, etc ;

4) Steel Grade: T5, T11, T12, T22, T9, T91,etc ;

5) Rust prevention treatment, such as: immersion oil, lacquer, passivation, phosphating,etc;

6) Plastic plugs or caps on both ends as required ;

7) Packaging: Hexagonal bundles of max. 1,500kg with several steel strips, Wrapped in waterproof paper, PVC sleeve,and sackcloth with several steel strips or packed in heavy tri-wall boxes, wooden boxes, wooden slats as requires;Type: Round , Square, Rectangle, Hexagon. Streamline, etc;

8) ASMT A213 Test: Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test,Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive Test,Hydrostatic Test;

9) Main Applications: Boiler and Heat Exchanger, Hydraulic and Petrochemical Purpose, etc.