16Mn无缝钢管-聊城开发区鲁联钢管代理最新报价
规格 材质 执行标准
114*5 Q345B GB8163-994 114*6 Q345B GB8163-9916 114*8 Q345B GB8163-999 114*12 Q345B GB8163-998 114*14 Q345B GB8162-997 114*20 Q345B GB8162-9910 114*25 Q345B GB8162-992.8 121*6 Q345B GB8162-993.1 121*8 Q345B GB8163-998.2 121*11 Q345C GB8163-996.2 127*6 Q345B GB8162-9911.2 127*8 Q345B GB8162-9910.1 127*14 Q345C GB8163-999 127*25 Q345B GB8162-9913.1 133*6 Q345B GB8163-9914 133*8 Q345C GB8163-9917 133*10 Q345B GB8163-9930 133*12 Q345B GB8163-999.8 133*14 Q345B GB8163-996 133*20 Q345B GB8162-999.71 133*25 Q345C GB8162-996.9 140*6 Q345B GB8162-9916 140*8 Q345B GB8163-9914 140*10 Q345B GB8163-9910 140*16 Q345B GB8163-994.5 146*6 Q345E GB8163-9912 146*8 Q345C GB8163-998 146*10 Q345B GB8162-999
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