长治市45号无缝钢管价格 长治市45号钢管厂家日必备货规格型号 12×11889×4.5-8-10-12-14-16-18-2040273×7-9-12-15-18-20-25100 14×1.5-2.5-32095×4.5-6-8-10-12-14-16-2050273×30-35-38-40-45-5050 16×1.5-2.5-430102×4.5-5-6-7-8-10-12-14-16-2080299×8-12-16-20-24-2860 18×2.3-4-520108×4.5-5-6-7-8-10-12-14-18-20-2275299×30-32-36-38-40-4570 20×2.5-3-517114×4.5-5-6-7-8-10-12-14-18-20100325×8-12-14-18-38-42120 24×2.5-3-4-5-625121×4.5-5-6-7-8-10-12-14-16-20102325×28-32-34-38-4275 25×2.5-3-4-5-628127×4.5-5-6-7-8-10-12-14-16-2095351×10-16-20-25-40120 28×3-3.5-4-5-630133×4.5-6-8-12-14-16-18-20-25-30120355×6-18-20-25-30-40/5245 32×3.5-4-5-6-840140×5-6-7-8-9-10-12-14-16-20-2250377×8-12-15-20-24-28128 34×4-5-6-835146×4.5-6-8-12-14-16-18-20-25-3060377×30-37-40-45-5060 36×3.5-5-6-830152×4.5-6-8-12-14-16-18-20-25-3060402×10-15-20-25-30-3570 38×4-5-6-7-8-9-1033159×4.5-6-10-12-1480406×10-20-25-28-35-40110
