中科炼一卸剂线管件中科(广东)炼化有限公司无缝弯管\90° DN150Ⅰ SCH40S R=6D L1=500 L2=500 WP304H ASTM A403无缝弯管\90° DN150Ⅰ SCH80 R=6D L1=500 L2=500 15CrMo GB/T 9948无缝弯管\90° DN250Ⅰ SCH40S 6D L1=500 L2=500 WP304H ASTM A403斜三通\45° DN250Ⅰ×DN100Ⅰ SCH40S/SCH40S BW SH/T 3408 WP304H ASTM A403
2026-09-09