36*5球墨铸铁管 36*5奥氏体不锈钢 36*5山东铸铁钢管价格
36*5中空锚杆价格-20号钢管价格-最新钢管规格表
42×3.5-4-5-6-7-8-9-1035152×4.5-6-8-12-14-16-18-20-25-3060402×10-15-20-25-30-3570
铸铁3.5-4-5-6-7-8-940159×4.5-6-10-12-1480406×10-20-25-28-35-40110
48×3.5-4-5-6-7-8-9-1024159×16-18-20-22-25-3030426×10-12-14-16-20-25-30-35-4097
51×3.5-4-5-6-7-8-9-1060168×8-10-12-14-20-25-30-35130铸铁×10-12-14-16-20-25-34-40108
56×3.5-4-5-6-7-8-9-1058180×8-12-16-25-30105480×10-12-14-16-18-20-25-30-4095
57×3.5-5-6-7-8-9-10-1250180×32-34-38-40102500×10-12-14-16-20-25-34-40100
60×3.5-4.5-5-6-7-8-9-12-1460194×6-8-12-16-20-25-30-40140510×10-12-14-16-20-25-34-40110