
Q345B無縫鋼管299*12含碳量多少?無錫廠家每米重量多少
Q345B無縫鋼管
Q345B無縫鋼管重量公式:[(外徑-壁厚)*壁厚]*0.02466=kg/米(每米的重量)
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| 14×1.5-2.5-3 | 95×4.5-6-8-10-12-14-16-20 | 273×7-9-12-15-18-20-25 | 
| 16×1.5-2.5-4 | 102×4.5-5-6-7-8-10-12-14-16-20 | 273×30-35-38-40-45-50 | 
| 18×2.3-4-5 | 108×4.5-5-6-7-8-10-12-14-18-20-22 | 299×8-12-16-20-24-28 | 
| 20×2.5-3-5 | 114×4.5-5-6-7-8-10-12-14-18-20 | 299×30-32-36-38-40-45 | 
| 24×2.5-3-4-5-6 | 121×4.5-5-6-7-8-10-12-14-16-20 | 325×8-12-14-18-38-42 | 
| 25×2.5-3-4-5-6 | 127×4.5-5-6-7-8-10-12-14-16-20 | 325×28-32-34-38-42 | 
| 28×3-3.5-4-5-6 | 133×4.5-6-8-12-14-16-18-20-25-30 | 351×10-16-20-25 |