... mm & THK > 0.5mm; 2) Tight tolerance, Smooth surface, Uniform mechanical property(Mechanical Properties equilibrium); 3) Heat treatment: BK, BKS, GBK, NBK ... Inspection, Nondestructive Test, Hydrostatic Test; 9) Main Applications: Boiler and Heat Exchanger, Hydraulic and Petrochemical Purpose, etc. Commercial Information: 1) Delivery: Within 40 ...