求购无缝钢管输送流体用热轧无缝钢管|WH-D53010GB/T15575GB/T8163|Q345|0.27、输送流体用热轧无缝钢管|WH-D894.5GB/T8163|20|0.08吨、锅炉及热交换器用不锈钢无缝钢管|WH-D213GB/T13296|12Cr18Ni9|0.04吨、输送流体用热轧无缝钢管|WH-D37712GB/T8163|20|0.7吨、流体输送用冷轧不锈钢无缝钢管|WC-D574GB/T14976|2205|0.2吨、流体输送用冷轧不锈钢无缝钢管|WC-D1594GB/T14976|2205|0.4吨、对焊异径无缝接头|RCDN100805Ⅱ系列GB/12459|20G|10个、不锈钢外丝|∮15||5个、90度对焊无缝弯头|90ELDN37712Ⅱ系列GB/T12459|20|3个2、平面板式平焊钢制管法兰|DN350-PN10PLFF系列ⅡGB/T9119|20|3片、平面对焊钢制管法兰|DN500-PN6WNFF系列ⅡGB/T9115|20|3片、90度对焊无缝弯头|90ELDN202Ⅱ系列GB/T12459|12Cr18Ni9|10个、90度对焊无缝弯头|90ELDN894.5Ⅱ系列GB/T12459|20|3个