304材质不锈钢管：镍（Ni）8%以上，铬（Cr）18%以上。
用途：加热器、锅炉、热交换器、冷凝器。Purpose: heater,boier,hot commute machine,condenser.
工作特点：内焊道整平处理，固溶化热处理，酸洗。Work characteristic:inside seam removal capability,solution annealing condition,pickling.
性能特点：管内壁光滑，输水阻力低，能承受高水流速的冲蚀，固溶处理后，焊道与母体的机械性能、防腐性能基本一致，深加工性能优良。Feature:Easy liquid conveying for smooth inside wall,withstand high speed current crushing and corrosion;after annealing treatment,the function of the welded line is the same with the matrix inthe mechanical and corrosion resistance, available for deep process.
