gb8163無(wú)縫鋼管∣gb816316mn無(wú)縫鋼管∣gb8163鋼管南通供應(yīng)
76*3.5 | 16Mn | 114*6 | Q345B | 194*8 | Q345 | 426*12 | Q345B |
76*4 | Q345B | 114*6 | Q345B | 194*10 | Q345B | 426*14 | Q345B |
76*4 | 16Mn | 114*6.5 | Q345B | 194*12 | Q345B | 426*16 | Q345B |
76*5 | Q345B | 114*7 | 16Mn | 203*10 | Q345B | 426*18 | Q345B |
76*6 | 16Mn | 114*7 | Q345B | 203*12 | Q345B | 426*20 | Q345B |
83*6 | 16Mn | 114*8 | 16Mn | 219*6 | Q345B | 530*8 | Q345B |
83*8 | Q345B | 114*10 | Q345B | 219*8 | Q345B | 530*10 | Q345B |
89*4 | 16Mn | 114*16 | 16Mn | 219*10 | Q345B | 530*14 | Q345B |
89*4.5 | Q345B | 121*5 | Q345B | 219*12 | Q345 | 530*16 | Q345B |
11、船舶用無(wú)縫鋼管:GB5312-1999
12、冷拔冷軋精密無(wú)縫鋼管:GB3639-1999
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