高压锅炉管ST45.8-III、20G、GB5310-1995 14-16-19X2-2.5-3-4 219-273X8-10-12-18-30 22-25-28X2.5-4-5 245X8-9-10-12-30 42-45-51X3-5-6-12 298.5X25-36-40-45 57-76-89X3-4.5-6-10-18 323.9-325X10-28-36-45-60 102-108X5-6-8-10-20 355.6-377X10-25-36-45 114-127X5-7-8-10-20 406-426X10-14-45-60 168-180X5-8-10-15-30 457.2-480X11-30-40-55 121X4.5-6-7-18 558.8-610X14-16-36-60 133-159X5-6-8-18-20 635X31-33-45-58 科兴金属022-26623682 13012277566 网趾：www.tjkxgg.cn 地址：天津市北辰区储宝钢材市场E区111室