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本文介绍了B315钢的力学性能，物理性能、耐蚀性能及现场的模拟、试验、应用情况。结果表明，B315钢制造的波纹管膨胀节在环境恶劣的烟气管道上工作，安全可靠，使用寿命长。
This paper introduces the mechanical properties, physical properties, corrosion resistance and field simulation, test and application of B315 steel. The results show that the bellows expansion joint made of B315 steel works in the flue gas pipeline with harsh environment and is safe and reliable with long service life.