加拿大外贸
之前客户买了一批446的5mm和6mm口径的rod回去做测试，测试结果不是很满意，因此让我们推荐合适的材质。请广大懂行的福友们给个建议呗，客户所说的这种使用环境，哪种材质更适合，谢谢大家喽。下面是客户的邮件内容：
We have extensively tested the SS grade 446 rods we have purchased from you last year. As mentioned before, the application are for oil-fired boiler furnace ingiter detectors on a coal-fired power station. Upon constant exposure to around 600-700 degrees C of temperature, it has been found that the rods softened and deformed. The good thing, however, is that the rods withstood abrasion and were not eroded. Can you, therefore, recommend a suitable stainless steel material that will not deform and erode in this temperature?
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