котельные части Бесшовные трубы котельной для НПЗ

SeamlessBoiler PartsTube for Refinery Service (1)Steel grade: T1, STF410, STFA12, St35.8, 16Mo5, HFS320, C14; (2)Standard: ASTM A161, JIS G3467, KS D3587, DIN17175, BS3056, UNI5462; (3)Specification : OD: 10mm-114.3mm (0.4055"-4.5"), WT: 2mm-22mm (0.0787"-0.8661"); (4)Dimension tolerance: O.D.: +/-0.08mm, W.T.: +/-10%;(5)Surface: oiled or black painted to prevent rust; (6)Marking: as per customer's requirement;(7)Application: This product applies to furnace tube, heat exchanger tube and pipeline.