9日唐山槽钢价格降50-100：正丰5#5270,6.3#5220,8#5140,20#5390,22-28#5440,30#5470,36-40#5770，电力22-28#5450,30#5480,32#5550，祥泰6.3#5050,8-16#5000,18-20#5050,22#5400，元丰10-16#4980，申恒8-16#5000，瑞兴5#5100,6.3#5050,8-16#5000,20#5050。