The difficulties and resolve methods concern with SA-335P91 made header fabrication process are introduced herein such as header ruling, girth welding, nozzle and accessories.
针对高温强度较高的SA- 335P91材料在产品中的应用，尤其是在集箱制造工艺上的情况进行了简介。
This article discusses the method and accuracy for header differential steel nozzle fillet magnetic particle inspection, and shows the actual dissection result that the author did on products.
对集箱异种钢管接头角焊缝磁粉探伤的方法和准确性进行了探讨，并在产品上进行了实物解剖验证。
This article discusses the method and accuracy for header differential steel nozzle fillet magnetic particle inspection, and shows the actual dissection result that the author did on products.
对集箱异种钢管接头角焊缝磁粉探伤的方法和准确性进行了探讨，并在产品上进行了实物解剖验证。
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