Specification range: Heat treatment: BK, BKS, GBK, NBK, Stress Relief, Normalizing, ... OD: 1/4"-12" Executive Tube Standard: JIS G3461 Carbon steel boiler and heat-exchanger tube Product particular communication: 1) Size: OD ... , Nondestructive Test, Hydrostatic Test; 9) Main Applications: Boiler and Heat Exchanger, Hydraulic and Petrochemical Purpose, etc. Commercial Information: 1) Delivery: Within ...