上海乙烯裂解炉项目253MA不锈钢板炉内构件供货案例

{"category":"petrochem","categoryLabel":"石油化工高温设备","images":["https://baas-api.wanwang.xin/toc/image/preview/253ma-ethylene-cracking-furnace-part.jpg?w=800&h=500&q=80","https://baas-api.wanwang.xin/toc/image/preview/cracking-furnace-convection-section.jpg?w=800&h=500&q=80","https://baas-api.wanwang.xin/toc/image/preview/ethylene-plant-cracker-facility.jpg?w=800&h=500&q=80"],"material":"253MA不锈钢板","industry":"石油化工设备","condition":"乙烯裂解炉对流段与炉底烧嘴区，温度1000-1150℃，长期连续运行","requirement":"构件板材高温蠕变强度高，可减薄设计，焊接性能良好","specs":"厚度5mm/6mm/8mm，幅宽1500mm，长度6000mm，总供货量21吨","service":"无锡仓库现货，切割+坡口加工，附原厂材质单+第三方检测","solution":"选用253MA不锈钢板（Cr21%、Ni11%、含N与稀土），氮固溶强化与稀土细化晶界使其1100℃蠕变强度约为310S的1.5倍，构件可减薄20-30%，减轻炉体钢结构负荷。相比310S，253MA抗渗碳抗氮化性能更优，适合裂解炉长周期连续运行工况。","delivery":"分3批交付，每批7吨，加工周期5-6天。防水包装，物流直达上海化工区。","relatedProducts":["astm-253ma","astm-310s"],"relatedServices":["groove","leveling"]}