The major components of the corrosion films were qualitative FeCO3 and amorphous compound Cr(OH)3, also included a little amount of oxide and carbide of Fe and Cr, and some pute Fe.

• 13Cr钢的腐蚀膜主要成分是晶态FeCO3和非晶态的Cr(OH)3,还含有少量的Fe或Cr的氧化物、碳化物和单质Fe等。