南京化学2025年本部管件1231W4中国石化集团南京化学工业有限公司无缝同心大小头\DN50×DN40 SCH40S/SCH40S GB/T12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝同心大小头\DN40×DN20 SCH40S/SCH40S GB/T 12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝弯头\90° DN100×5 R=1.5D GB/T 12459Ⅱ 20# GB/T 8163无缝弯头\90° DN40×4 R=1.5D GB/T12459Ⅱ 20# GB/T 3087无缝同心大小头\DN80×DN40×SCH40S/SCH40S GB/T 12459Ⅰ 06Cr19Ni10 GB/T 14976无缝同心大小头\DN80×DN40 SCH40S/SCH40S GB/T12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝偏心大小头\DN40×DN32 SCH40S/SCH40S GB/T 12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝弯头\90° DN40 SCH40S R=1.5D GB/T12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝三通\DN40×DN20 SCH40S/SCH40S GB/T12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝三通\DN40×DN25 SCH40S/SCH40S GB/T 12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝弯头\90° DN50 SCH40S R=1.5D GB/T12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976无缝三通\DN40×DN40 SCH40S/SCH40S GB/T 12459Ⅰ 022Cr17Ni12Mo2 GB/T 14976
2025-12-31