Helical Finned Tube — Continuously Welded Spiral ND Steel Fin Tube for Boiler Economizers MaterialA high-frequency resistance welded helical/spiral finned tube produced with an ND steel (09CrCuSb) ...عرض المزيد
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Continuously Welded Helical Finned Tube with 30-325 mm Outer Diameter and 6M or Custom Length for Boiler Economizers