... flash resistance welding processes used, the welding seam after the high rate of fusion, weld tensile strength, and has good ... rigid structure, and can be applied to a longer tube row occasions.Performance characteristics:(1) Excellent anti-wear performance(2 ... space(4) Welded Joints less(5) StabilitySupplying Scope:Fin tube Specification:Chinese GB standard or equivalent ASME standard or others ...