Delivery of 409 ferritic stainless steel seamless pipe
Date of release:2015-11-05 Author: Click:
近日,我司2批AISI409及AISI430Ti铁素体不锈钢无缝管出货。其中1批管材还根据客户图纸要求弯成用于吸收膨胀的“S”型。2批钢管都用于高温换热器制造。铁素体不锈钢一般都比较难于加工成无缝管,若生产工艺稍有偏差或错误,将极大的影响最终成品各方面的性能,都难于达到材料的正常值,以至于不能加工出满足设计要求和寿命的设备。
一般AISI430Ti用于温度相对高的部位(900摄氏度以下), AISI409用于温度相对低得部位(约700摄氏度以下)。由于铁素体体不锈钢能承受安全使用温度范围内温度的剧烈变化,抗氧化性好,耐磨,耐高温硫化物,钒的氧化物腐蚀。因此,一般与奥氏体不锈钢相比有跟长的使用寿命。
在耐高温用的铁素体不锈钢方面,美国和欧洲标准都有相类似的完整钢种。在不同温度下选择合适的铁素体不锈钢,在高温行业,特别是余热利用方面(钢铁,水泥,电力,炭黑……),方便客户制造合适的设备,提供完美的解决方案。
美标:446-1/446-2: 约1075摄氏度以下, 439/430: 约900摄氏度以下, 409/405/410S:约700摄氏度以下。
欧标: 1.4762: 约1150摄氏度以下, 1.4742: 约950摄氏度以下, 1.4724: 约700摄氏度以下。
The address of this article:http://en.fhtubeindustry.com/news/604.html
Key word:铁素体无缝管,铁素体无缝管价格,铁素体无缝管厂家
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